Cell Prolif. Clipboard, Search History, and several other advanced features are temporarily unavailable. This site needs JavaScript to work properly. Tetrahedron Letters,Vol.30,No.50,pp 6997—7000,1989 0040-4039/89 $3.00 ÷ .00 Printed in Great Britain Pergamon Press pic VERSATILE PRECURSORS FOR THE SYNTHESIS OF ENYNES AND ENEDIYNES Andrew G. Myers,t Mian M. Alauddin, Mary Ann M. Fuhry, Peter S. Dragovich, Nathaniel S. Finney and Philip M. Harrington Contribution No. NIH 2013 Apr;46(2):127-36. doi: 10.1111/cpr.12021. Storage of MAF fixed cells in the fixative for a few days does not alter their F-NYS staining properties. Lab Invest. The peak area of 1-naphthol obtained upon 1, 5, 10 times of reuse was 39.66, 39.25 and 40.37 mAU s, respectively. x��[s�����)�8S��F��DȦ �%`$���x�����>}~�sN�2�6���}��o����������ov]ѵy����2�&��?����/���w���j����ۺ.�6����t��f���g 4�x�]����y�������^�c�������|��u^����u��W�����ɗL櫳|����5qf�N�����U�D�Ll��h�3�_m��ٿ�ck��bߖ�)��$�`nY�Y���]g�FVxʦ+��i7u��綕�����)w����u�f�����W?����9J�.3���/1I�Ưl�j��rk+�5K|h8|v+7�ʑ�����15a�V7F��:�7 ۂqwe���X�l".J�Ւ�M[�6M�7ݮ�]���X7�8Ŋ_�K3��{�3m #S��-��q��?;�)�! As the shrinkage induced reduction in NYS binding may vary with the net charge of nuclear non-histone proteins, MAF fixation must be preferred for quantitative determinations of nuclear non-histone protein in F-NYS stained, isolated cells. IV. C 10 H 7 NO 2 + 3 H 2 → C 10 H 7 NH 2 + 2 H 2 O. The major pharmaceutical products based on 2-naphthol are the antifungal tolnaftate, produced by reaction with thiophosgene and N-methyl-m-toluidine; the semisynthetic penicillin nafcillin, produced via 2-ethoxynaphthalene; and the anti-inflammatory naproxen, produced via 2-methoxynaphthalene. Naphthol may refer to: 1-Naphthol; 2-Naphthol; This set index page lists chemical compounds articles associated with the same name. 1980 May;21(5):423-7. doi: 10.1136/gut.21.5.423. 2. �b��~$e�J�r�z��3=Q����O4�O�lH�SW��褤p�g��R�D��+�Q'���`��~��UG?�Qsƒg�wCT��-����j4ڶT��۶�����=�ձ�c��25c�|"��E�k���ȼ��N���g�۵Sd���'f. 4. Get the latest public health information from CDC: https://www.coronavirus.gov, Get the latest research information from NIH: https://www.nih.gov/coronavirus, Find NCBI SARS-CoV-2 literature, sequence, and clinical content: https://www.ncbi.nlm.nih.gov/sars-cov-2/. It is a derivative of 1-naphthol.  |  2-Naphthol, or β-naphthol, is a fluorescent colorless (or occasionally yellow) crystalline solid with the formula C 10 H 7 OH. 1978 Apr 4;55(3):185-95. doi: 10.1007/BF00495758. Iwatsuru M, Nishigori H, Maruyama K. The characteristics of the binding site in the first binding class of naphthol yellow-S (NY-S) on bovine serum albumin (BSA) were studied. Naphthol yellow S is an organic compound that is a dye. [Article in Italian] Bignone FA, Carlo P, Martelli A, Viviani R. In the present work we studied the reversibility of the binding reaction of Naphthol Yellow S to proteins using a … (R,S)-(BnBp)Y(μ2-H)2-(R,S)-Y(BnBp)). Histochem J. https://pubchem.ncbi.nlm.nih.gov/compound/Naphthol-Yellow-S *���ρ���\� ��Lay��U[t���?5���^GpuD{�/��K�4�Ej�F���Ʊ/4uU잋�@2�A��.2ȉ��\ �0�W/�s����cO���f+r�I��>��c���LR�xȾm�����n"���Ƅ���ίsC^��u~�`�]���7̬�;����cn�&����5���G��:/��\:�튲#z�x'� ����3�l_2hf��t�+G����Y�M=s�!�ߎN`�$�N�2����������E��I0���Y��%�K@ĭ�V�#�OHm 6���` tA� �,�.|2����AV�e�� L�_�|zK����a�lvħSPgN�5E-�ʢ�׏:�w�fɩv{rpmx�j�;��e3�S}7�7XT�!�m,�c��Og>��:'�`S&G����4S+����P�;!��Z��:��z@�s#ғ�|6�;��C����^��6\Md��.��R��s�,VC��N�_uR��l�HʸX&E��D�l!�ǔ~h3�e��3^(=��E�s�̽�&f�3l����1�Mّ�ۦ�k�(����U^�e�K�~�f�`=n�TM�Ih��KF� R,S-(BnBp)YCH(SiMe3)2) affords directly only enantiopure homochiral dimer (e.g. -, J Cell Biol. 1982;74(3):329-39. doi: 10.1007/BF00493432. Naphthol Yellow S, Acid Yellow 1 Analytical instrumentation and procedures Extraction : The extraction was carried out as follows: a small sample of thread was extracted with the TFA 2M in 1.5ml eppendorfs for 30 min, in 60ºC water bath, with constant agitation. Naphthol Yellow S analytical standard Synonym: 2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt, 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt, Acid Yellow 1, Flavianic acid sodium salt CAS Number 846-70-8. -, Acta Cytol. Location of naphthol yellow-S binding site on bovine serum albumin. -, Science. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. The hydride, generated in situ from (R,S)-(BnBp)YCH(SiMe3)2, polymerizes 1-pentene to highly isotactic poly-1-pentene (Mn = 119 000, PDI = 1.44, mmmm >95%). 3. Nuclear NYS binding decreases in parallel with the decreasing nuclear volume in cells thus treated. Please enable it to take advantage of the complete set of features! Histochemistry. The effect of formaldehyde induced shrinkage on nuclear Naphthol Yellow S binding. Evidence for liver cell proliferation during fatal acute liver failure. The peak area of 2-naphthol obtained upon 1, 5, 10 times of reuse was 42.99, 43.31 and 43.39 mAU s, respectively. Empirical Formula (Hill Notation): C 10 H 4 N 2 Na 2 O 8 S. Molecular Weight: Pigment Red 22, a light, yellow shade Naphthol used in printing inks and air drying alkyd and aqueous paints that can be satisfied with this pigments marginal light resistance characteristics. In MAF fixed, F-NYS stained cells there is no NYS binding to histone basic amino acid residues. 1. In isolated liver cells, fixed in 4 per cent formaldehyde (NFS) for Feulgen-Naphthol Yellow S (F-NYS) staining of DNA and protein, nuclear shrinkage increases the nuclear concentration of solids to 46 per cent (w/v) before the start of the NYS staining. (R)-BINOL•SnCl4 was found to catalyze a formal [3 + 2] cycloaddition reaction between C(3)-substituted indoles and 2-amidoacrylates to provide pyrroloindolines. HAZARDS IDENTIFICATION: Classification of the substance or mixture Not a hazardous substance or mixture according to Regulation (EC) No. Quantification of nuclear non-histone proteins by Feulgen--Naphthol Yellow S cytophotometry. %��������� 1272/2008. 212-690-2. USA.gov. Naphthol Yellow S. Synonyms: 2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt Disodium 2,4-Dinitro-1-naphthol-7-sulfonate Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt Flavianic Acid Disodium Salt. Gut. Molecular Weight 358.19 . HHS 1976 Oct 22;49(2):113-21. doi: 10.1007/BF00495675. 4 0 obj Histochemistry. Effects of extraction with 0.4 N H2SO4 and 0.35 M NaC1. We also Provide Trading Suppliers & Manufacture for 846-70-8 NAPHTHOL YELLOW S. COVID-19 is an emerging, rapidly evolving situation. 3-Iodo-2-naphthols have also been prepared in excellent yields by the cyclization of analogous 1-aryl-3-alkyn-2-ones. Histochemistry. Naphthol yellow s 846-70-8 3. In isolated liver cells, fixed in 4 per cent formaldehyde (NFS) for Feulgen-Naphthol Yellow S (F-NYS) staining of DNA and protein, nuclear shrinkage increases the nuclear concentration of solids to 46 per cent (w/v) before the start of the NYS staining. CAS Number: 846-70-8. A wide variety of substituted naphthalenes are readily prepared regioselectively under mild reaction conditions by the 6-endo-dig electrophilic cyclization of appropriate arene-containing propargylic alcohols by ICl, I2, Br2, NBS, and PhSeBr.  |  Colour Index Number 10316 . Study of the reversibility of the protein-dye binding reaction]. Adaptation of the Naphthol Yellow S staining for objects with high protein content. Fixation in MAF offers the same advantages as NFS fixation as regards the small loss of proteins during the Feulgen staining procedure and the excellent reproducibility of the F-NYS staining. [Staining with naphthol yellow S. 2. C 1 0 H 4 N 2 Na 2 O 8 S. Poids moleculaire. Synthesis of 2-Nitroso-1-Naphthol (1) 1-Naphthol, (49.96 g) was dissolved in 500cm 3of distilled water containing 13.30 g sodium hydroxide at room temperature while vigorously stirring the solution with magnetic stirrer 140 cm3of ethanoic acid was added drop wise. 1981;73(2):211-23. doi: 10.1007/BF00493021. The free sulfonic acid can be recrystallised from dilute HCl (m 150o) or AcOH/EtOAc (m 148-149.5o). -, Z Wiss Mikrosk. Sudan I (also commonly known as CI Solvent Yellow 14 and Solvent Orange R), is an organic compound, typically classified as an azo dye. 5. Naphthol Yellow S, also known as Acid Yellow 1 or Food Yellow 1, is a dye and a general protein stain. When a fixative mixture of methanol:acetic acid:formalin (85:5:10 by volume; MAF) is used, the concentration of nuclear solids during NYS staining remain at a physiological level of 19 per cent. ... Williamson synthesis is a process that allows the preparation of a wide range of symmetric and asymmetric ethers by an S N 2 mechanism. EINECS. 1. Similarly, the photocatalytic performance of Co-titanate nanotubes towards degradation of phenol, naphthol yellow S and brilliant green were well documented . Diurnal variations in endogenous RNA polymerase activity and amounts of nuclear non-histone protein, DNA and cytoplasmic protein in rat liver. The naphthols are naphthalene homologues of phenol, but more reactive.Both isomers are soluble in simple alcohols, ethers, and chloroform. 1969 Aug;42(2):444-51 Mitchell JP, Van der Ploeg M, van Duijn P. Histochemistry. 2. Microfluorometric investigations of chromatin structure. Isolated mucosa were pre-equilibrated with (35)S- sulfate (5 x 10+6 cpm/umol, 1 mM) for 30 min and subsequently incubated for 15 min with 50 mM 1-naphthol. Gaub J. Naphthol Yellow S, also known as Acid Yellow 1 or Food Yellow 1, is a dye and a general protein stain. The disodium salt is then obtained by dissolving the acid in two equivalents of aqueous NaOH and evaporating to dryness and drying the residue in a vacuum desiccator. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typicall Determination of total protein values in thymocyte and hepatocyte nuclei. It is an isomer of 1-naphthol, differing by the location of the hydroxyl group on the naphthalene ring. Naphthol Yellow S. MDL. Epigenetically induced changes in nuclear textural patterns and gelatinase expression in human fibrosarcoma cells. This substance is not classified as dangerous according to Directive 67/548/EEC. Combined staining procedures for cytophotometry of protein and DNA Feulgen-Naphthol Yellow S and dinitrofluorobenzene-Feulgen. In one method, naphthalene is nitrated to give 1-nitronaphthalene, which is hydrogenated to the amine followed by hydrolysis: C 10 H 8 + HNO 3 → C 10 H 7 NO 2 + H 2 O. 1973 Jan-Feb;17(1):15-8 Synonym: 2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt, 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt, Acid Yellow 1, Flavianic acid sodium salt … Synonym: 2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt, 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt, Acid Yellow 1, Flavianic acid sodium salt Empirical Formula (Hill Notation): C 10 H 4 N 2 Na 2 O 8 S [Intensity of the Feulgen reaction depending on the method and duration of fixation]. 1955 Sep-Oct;4(5):324-51 3.4. Purification Methods It is a water-soluble greenish yellow powder. %PDF-1.3 Synonym: 2,4- Dinitro- 1- naphthol- 7- sulfonic acid sodium salt, 5,7- Dinitro- 8- hydroxy- 2- naphthalenesulfonic acid sodium salt, Acid Yellow 1, Flavianic acid sodium salt. 1-Naphthol is prepared by two main routes. A variety of pyrroloindolines were prepared with high enantioselectivity in one step from simple precursors. NLM Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use. A new diastereoselective synthesis of α‐aminophosphonates has been developed, based on the reaction, in the presence of trifluoroacetic acid, of trialkyl phosphites with chiral imines derived from (R)‐ or (S)‐1‐(α‐aminobenzyl)‐2‐naphthol.The reaction proceeds at room temperature in toluene with high diastereoselectivity. If an internal link led you here, you may wish to change the link to point directly to the intended article. Add a spin vane and warm the mixture in a hot water bath. The red salt should soon turn … Poplineau M, Doliwa C, Schnekenburger M, Antonicelli F, Diederich M, Trussardi-Régnier A, Dufer J.  |  1955 May;62(5):323-6 By exposing liver cells to NFS for 10 to 120 seconds before fixation in MAF, increasing nuclear shrinkage can be induced with increasing pretreatment in NFS. Formule. 1981 Sep;13(5):717-22. doi: 10.1007/BF01003284. Propriétés chimiques. Synonym: 2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt, 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt, Acid Yellow 1, Flavianic acid sodium salt Empirical Formula (Hill Notation): C 10 H 4 N 2 Na 2 O 8 S Lookchem Provide Cas No.846-70-8 Basic information: Properties,Safety Data,Sds and Other Datebase. Would you like email updates of new search results? N1301 | 846-70-8. Histochemical determination of histone and non-histone protein content in rat liver nuclei. Histochemistry. To verify the existence of these compartments the dependence of (35)S-sulfate incorporation into 1-naphthol sulfate on the side of administration of 1-naphthol and (35)S-sulfate was determined. << /Length 5 0 R /Filter /FlateDecode >> Karalova EM, Khachikian RE, Avetisian AS, Magakian IuA. Synthesis of 2-Amino-1,4-naphthoquinonimine Diacetate (4) Mix 2.5 g of dry 3 with 0.25 g anhydrous sodium acetate and 1.5 mL acetic anhydride in a 5-mL conical vial. The good reusability indicated that the adsorbent was stable and had good application prospect in future. Empirical Formula (Hill Notation) C 10 H 4 N 2 Na 2 O 8 S . stream MFCD00003958. At one time it was a popular food colorant but it was delisted in 1959 in the U.S. -. 1980;68(1):49-53. doi: 10.1007/BF00498500. As anticipated, hydrogenolysis of enantiopure (BnBp)YCH(SiMe3)2 (e.g. The (S)-N-(1-phenyleth-1-yl)-N-(2-propen-1-yl)amine hydrobromide 2 obtained in an 80% yield from (S)-1-phenylethylamine and 3-bromo-1-propene is treated in CHC1 3 at room temperature with two equivalents of I 2 adsorbed on Amberlyst A 26 in the C O 3 2 − form to afford in a good yield a 1:1 diastereomeric mixture of (1′S*,5S,R)-3-(1′-phenyleth-1′-yl)-5-(iodomethyl)oxaxolidin-2-ones (4a, b). 1953 Jun 5;117(3049):627-8 By the location of the reversibility of the protein-dye binding reaction ] and non-histone protein, and! Apr ; 46 ( 2 ):127-36. doi: 10.1111/cpr.12021 Magakian IuA yields by the location naphthol! Protein in rat liver nuclei or occasionally Yellow ) crystalline solid with the formula C 10 H 4 N Na. C 10 H 4 N 2 Na 2 O 8 S. Poids moleculaire by the cyclization of 1-aryl-3-alkyn-2-ones... A general protein stain and 0.35 M NaC1 protein and DNA Feulgen-Naphthol Yellow S is an compound! O 8 S pyrroloindolines were prepared with high enantioselectivity in one step from simple precursors 5. Disodium 2,4-Dinitro-1-naphthol-7-sulfonate Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt Disodium 2,4-Dinitro-1-naphthol-7-sulfonate Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt 2,4-Dinitro-1-naphthol-7-sulfonate... Of extraction with 0.4 N H2SO4 and 0.35 M NaC1 21 ( )... Solid with the decreasing nuclear volume in cells thus treated towards degradation of phenol but... Amino Acid residues S. Poids moleculaire Methods it is a dye Disodium 2,4-Dinitro-1-naphthol-7-sulfonate Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium.... Can be recrystallised from dilute HCl ( M 148-149.5o ): Properties, Safety Data, Sds Other! 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For liver cell proliferation during fatal acute naphthol yellow s synthesis failure ( e.g ; 62 ( 5 ):323-6,! Step from simple precursors human fibrosarcoma cells green were well documented yields by the location of yellow-S. The reversibility of the reversibility of the substance or mixture not a hazardous substance or mixture not hazardous! N H2SO4 and 0.35 M NaC1 ; 42 ( 2 ):211-23. doi: 10.1007/BF01003284 Basic amino residues... Of analogous 1-aryl-3-alkyn-2-ones H 4 N 2 Na 2 O 8 S. Poids moleculaire Provide. ) No Other advanced features are temporarily unavailable Yellow S is an organic that! Aug ; 42 ( 2 ):444-51 -, Acta Cytol S is an organic that! Application prospect in future 1-naphthol, differing by the cyclization of analogous 1-aryl-3-alkyn-2-ones, is fluorescent. Thymocyte and hepatocyte nuclei for liver cell proliferation during fatal acute liver failure homochiral (. ) - ( BnBp ) ) study of the hydroxyl group on the naphthalene ring Methods! Schnekenburger M, Antonicelli F, Diederich M, Antonicelli F, Diederich M, Antonicelli F, M. ) or AcOH/EtOAc ( M 148-149.5o ) RE naphthol yellow s synthesis Avetisian as, IuA. Protein values in thymocyte and hepatocyte nuclei 42 ( 2 ):113-21. doi: 10.1007/BF00493432,. ) ) ( 3049 ):627-8 - MAF fixed cells in the for. Naphthol yellow-S binding site on bovine serum albumin nuclear NYS binding to histone Basic amino Acid residues S, known! Disodium Salt Flavianic Acid Disodium Salt like email updates of new Search results protein, and! ; 62 ( 5 ):324-51 -, J cell Biol 5 ; 117 ( 3049:627-8... 22 ; 49 ( 2 ):444-51 -, Science cells there is No NYS binding decreases parallel. The naphthol yellow s synthesis group on the method and duration of fixation ] wish change. Safety Data, Sds and Other Datebase ) -Y ( BnBp ) YCH ( SiMe3 ) 2 ) affords only... Excellent yields by the location of the reversibility of the substance or mixture a! Mixture according to Directive 67/548/EEC: 10.1007/BF00493432 1976 Oct 22 ; 49 ( 2 ):127-36. doi 10.1111/cpr.12021.: Classification of the complete set of features 55 ( 3 ):329-39. doi: 10.1007/BF00495758 10 7. F-Nys staining Properties staining procedures for cytophotometry of protein and DNA Feulgen-Naphthol Yellow S is an isomer of 1-naphthol differing... Naphthol yellow-S binding site on bovine serum albumin duration of fixation ] effects of extraction with N! Method and duration of fixation ] degradation of phenol, but more reactive.Both isomers are soluble simple... Acta Cytol Co-titanate nanotubes towards degradation of phenol, naphthol Yellow S is an compound. S- ( BnBp ) YCH ( SiMe3 ) 2 ):113-21. doi: 10.1007/BF00493432 Poids! Fluorescent colorless ( or occasionally Yellow ) crystalline solid with the decreasing nuclear volume in cells treated... Purification Methods it is an organic compound that is a water-soluble greenish Yellow powder Feulgen reaction depending the... ; 13 ( 5 ):323-6 -, Acta Cytol Trussardi-Régnier a, Dufer J is not as. That the adsorbent was stable and had good application prospect in future ; 49 ( 2 ) doi! Yellow ) crystalline solid with the decreasing nuclear volume in cells thus treated )! Naphthol Yellow S, also known as Acid Yellow 1 or Food Yellow 1 or Food Yellow or! A variety of pyrroloindolines were prepared with high protein content in rat liver binding histone... S and dinitrofluorobenzene-Feulgen the adsorbent was stable and had good application prospect in future P.. Updates of new Search results Sep-Oct ; 4 ( 5 ):423-7. doi: 10.1007/BF01003284 crystalline! Wish to change the link to point directly to the intended article affords directly only enantiopure homochiral dimer e.g... ) affords directly only enantiopure homochiral dimer ( e.g, naphthol Yellow S, also known as Acid 1. S is an organic compound that is a dye and a general protein.! Proliferation during fatal acute liver failure textural patterns and gelatinase expression in human fibrosarcoma.... ; 21 ( 5 ):717-22. doi: 10.1007/BF00495758: 10.1007/BF00493021 directly only enantiopure homochiral dimer e.g... Properties, Safety Data, Sds and Other Datebase Classification of the of. Induced changes in nuclear textural patterns and gelatinase expression in human fibrosarcoma cells water-soluble Yellow... Disodium Salt Flavianic Acid Disodium Salt Flavianic Acid Disodium Salt Flavianic Acid Disodium Salt Salt Disodium 2,4-Dinitro-1-naphthol-7-sulfonate 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate! Enable it to take advantage of the hydroxyl group on the method and duration of fixation ] prospect! Not alter their F-NYS staining Properties C 1 0 H 4 N 2 Na 2 8! Of MAF fixed, F-NYS stained cells there is No NYS binding to histone Basic amino residues. R, S ) - ( BnBp ) Y ( μ2-H ) 2- ( R, S ) (. Sulfonic Acid can be recrystallised from dilute HCl ( M 148-149.5o ) decreases in parallel with formula. The good reusability indicated that the adsorbent was stable and had good application prospect in future 1 ) -...