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Products – Divinne SBR International Private Limited

Due to our Confidentiality clause, we cannot disclose our NCE Projects and API process development projects. We prefer to discuss personally about our projects and working.

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Product ready for Commercial production

1. Products under manufacturing (Product under protection / patent are being manufactured only on consent & exclusively to service requesting company)

Sr. No.Name of the ProductTypeCAS No. (Product)Chemical NameMolecular Structure
1RemdesivirAPI1809249-37-3N-[(S)-hydroxyphenoxyphosphinyl)-L-alanine, 2-ethylbutyl ester, 6-ester with 2-C-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2,5-anhydro-D-altrononitrile
N-[(S)-hydroxyphenoxyphosphinyl)-L-alanine, 2-ethylbutyl ester, 6-ester with 2-C-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2,5-anhydro-D-altrononitrile
remdesivir API
N2-Intermediate1191237-80-5(3aR,4R,6R,6aR)-4-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carbonitrileN2-Intermediate
Intermediate 21191578-98-92-(3-((4-((Ethoxyimino)methyl)-5-(4-(trifluoromethoxy)phenyl)isoxazol-3-yl)methoxy)phenyl)acetic acidIntermediate 2
Intermediate 355094-52-52,3,5-Tri-O-benzyl-D-ribonolactoneIntermediate 3
Intermediate 4159326-68-8Pyrrolo[2,1-f][1,2,4]triazin-4-amineIntermediate 4
Intermediate 5946511-97-32-Ethylbutyl L-alaninate hydrochloride
(S)-2-ethylbutyl 2-aminopropanoate hydrochloride
L-alanine 2-ethylbutyl ester hydrochloride
Intermediate 5
Intermediate 61355049-92-12-Ethylbutyl (chloro(phenoxy)phosphoryl)-L-alaninate
2-ethylbutyl (2S)-2-(chloro(phenoxy)phosphorylamino)propanoate
Intermediate 6
Intermediate 71355357-49-1(2R,3R,4R,5R)-2-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-3,4-bis(benzyloxy)-5-((benzyloxy)methyl)tetrahydrofuran-2-carbonitrileIntermediate 7
Intermediate 81191237-69-0(2R,3R,4S,5R)-2-(4-Aminopyrrolo[1,2-f][1,2,4]triazin-7-yl)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-carbonitrile
(2S,3R,4S,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-ethynyl-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
Intermediate 8
2FavipiravirAPI259793-96-96-Fluoro-3,4-dihydro-3-oxo-2-pyrazinecarboxamideFavipiravir API
Intermediate 1356783-16-93,6-Dichloropyrazine-2-carbonitrileFavipiravir Intermediate 1
Intermediate 255321-99-83-Hydroxypyrazine-2-carboxamideFavipiravir Intermediate 2
Intermediate 3259793-88-95-Bromo-2-oxo-1H-pyrazine-3-carboxamideFavipiravir Intermediate 3
Intermediate 4356783-28-33,6-Difluoropyrazine-2-carbonitrileFavipiravir Intermediate 4
Intermediate 5356783-31-85-Fluoro-2-oxo-1H-pyrazine-3-carbonitrile
6-Fluoro-3-oxo-3,4-dihydro-2-pyrazinecarbonitrile
Favipiravir Intermediate 5
3MetoprololAPI98418-47-4butanedioic acid, compd. with 1-[4-(2-methoxyethyl)phenoxy]-3-[(1-methylethyl)amino]-2-propanolMetoprolol API
Intermediate 156718-71-94-(2-Methoxyethyl)-phenol, p-(2-Methoxyethyl) phenolMetoprolol Intermediate 1
Intermediate 256718-70-8[[4-(2-Methoxyethyl)phenoxy]methyl]oxiraneMetoprolol Intermediate 2
4AmbrisentanAPI177036-94-12-(4,6-Dimethylpyrimidin-2-yl)oxy-3-methoxy-3,3-di(phenyl)propanoic acidAmbrisentan API
RAC Ambrisentan Intermediate 1713516-99-5α-[(4,6-Dimethyl-2-pyrimidinyl)oxy]-β-methoxy-β-phenylbenzenepropanoic AcidIntermediate 1
Intermediate 2178306-47-32-Hydroxy-3-methoxy-3,3-diphenylpropanoic acid methyl ester, 2-Hydroxy-3-methoxy-3,3-diphenylpropanoic acid methyl esterIntermediate 2
Intermediate 3177036-78-1(S)-Methyl 2-hydroxy-3-methoxy-3,3-diphenylpropanoateIntermediate 3
Intermediate 41106685-61-3Methyl (2S)-2-[(4,6-diMethyl-2-pyriMidinyl)oxy]-3-Methoxy-3,3-diphenylpropanoate, (S)-Methyl 2-(4,6-diMethylpyriMidin-2-yloxy)-3-Methoxy-3,3-diphenylpropanoateIntermediate 4
Intermediate 5178306-52-0(S)-2-Hydroxy-3-methoxy-3,3-diphenylpropionic Acid; 2S-2-Hydroxy-3-methoxy-3,3-diphenylpropanoic Acid; (S)-α-Hydroxy-β-methoxy-β-phenyl-benzenepropanoic AcidIntermediate 5
5DolutegravirAPI1051375-16-6(4R,12aS)-N-[(2,4-Difluorophenyl)methyl]-3,4,6,8,12,12a-hexahydro-7-hydroxy-4-methyl-6,8-dioxo-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamideDolutegravir API
Intermediate 11246616-73-8(S)-7-hydroxy-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acidDolutegravir Intermediate 1
Intermediate 21246616-66-94-Oxo-3-(phenylmethoxy)-4H-pyran-2,5-dicarboxylic acid 2,5-dimethyl esterDolutegravir Intermediate 2
Intermediate 31206102-11-5(4R,12aS)-N-[(2,4-Difluorophenyl)methyl]-3,4,6,8,12,12a-hexahydro-4-methyl-6,8-dioxo-7-(phenylmethoxy)-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamideDolutegravir Intermediate 3
Intermediate 41357289-04-32h-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acid, 3,4,6,8,12,12a-hexahydro-4-methyl-6,8-dioxo-7-(phenylmethoxy)-ethylester,(4r,12as)Dolutegravir Intermediate 4
Intermediate 561477-40-5(R)-3-Aminobutan-1-ol; (R)-3-Aminobutanol, (3R)-3-Amino-1-butanolDolutegravir Intermediate 5
Intermediate 61206102-07-9Methyl 3-(benzyloxy)-1-(2,3-dihydroxypropyl)-4-oxo-1,4-dihydropyridine-2-carboxylate, 1-(2,3-dihydroxypropyl)-1,4-dihydropy-4-oxo-3-(phenylmethoxy)-2-pyridinecarb oxylic acid methyl ester
Intermediate 73775-73-7(R)-Homo-beta-alanine
Intermediate 858610-42-7(R)-Homo-beta-alanine hydrochlorideDolutegravir Intermediate 8
Intermediate 972235-52-02,4-DifluorobenzylamineDolutegravir Intermediate 9
Intermediate 101335210-23-51-(2,2-Dimethoxyethyl)-1,4-dihydro-3-methoxy-4-oxo-2,5-pyridinedicarboxylic acid 2-methyl esterDolutegravir Intermediate 10
Intermediate 111616340-68-1Methyl-5-(2,4-difluorobenzylcarbaMoyl)-1-(2,2-diMethoxyethyl)-3-Methoxy-4-oxo-1,4-dihydropyridine-2-carboxylate, Methyl-5-(2,4-difluorobenzylcarbaMoyl)-1-(2,2-diMethoxyethyl)-3-Methoxy-4-oxo-1,4-dihydropyridine-2-carboxylate
Methyl-5-(2,4-difluorobenzylcarbaMoyl)-1-(2,2-diMethoxyethyl)-3-Methoxy-4-oxo-1,4-dihydropyridine-2-carboxylate, Methyl-5-(2,4-difluorobenzylcarbaMoyl)-1-(2,2-diMethoxyethyl)-3-Methoxy-4-oxo-1,4-dihydropyridine-2-carboxylate
Dolutegravir Intermediate 11
Intermediate 1241051-15-4Methyl 4-methoxy-3-oxo-butanoate, Methyl 4-methoxyacetoacetateDolutegravir Intermediate 12
6RilpivirineAPI500287-72-94-[[4-[[4-[(1E)-2-Cyanoethenyl]-2,6-dimethylphenyl]amino]-2-pyrimidinyl]amino]benzonitrileRilpivirine API
Intermediate 1661489-22-1(Z)-3-(4-AMino-3,5-diMethylphenyl)acrylonitrile, (Z)-3-(4-AMino-3,5-diMethylphenyl)acrylonitrileRilpivirine Intermediate 1
Intermediate 2873-74-54-Cyanoaniline; p-Cyanoaniline, 4-AminobenzonitrileRilpivirine Intermediate 2
Intermediate 3189956-45-44-[(1,4-Dihydro-4-oxo-2-pyrimidinyl)amino]benzonitrile, 4-[(4-Hydroxy-2-pyrimidinyl)amino]benzonitrileRilpivirine Intermediate 3
Intermediate 4244768-32-94-N[2(4-CHLOROPYRIMIDINYL)]-AMINO BENZONITRILE, 4-[(4-Chloro-2-pyrimidinyl)amino]benzonitrileRilpivirine Intermediate 4
Intermediate 5661489-23-2(2E)-3-(4-AMino-3,5-diMethylphenyl)-2-propenenitrile Hydrochloride, (E)-3-(4-AMino-3,5-diMethylphenyl)acrylonitrile HydrochlorideRilpivirine Intermediate 5
Intermediate 65637-42-3N-(4-Cyanophenyl)guanidine, N-(4-Cyanophenyl)guanidineRilpivirine Intermediate 8
Intermediate 74102-53-84-Iodo-2,6-dimethylanilineRilpivirine Intermediate 8
Intermediate 824596-19-84-Bromo-2,6-dimethylaniline; 4-Bromo-2,6-xylidine, 4-Bromo-2,6-dimethylanilineRilpivirine Intermediate 8
Intermediate 956066-83-24-Amino-3,5-Dimethyl-BenzaldehydeRilpivirine Intermediate 9
Intermediate 103095-47-4ethyl 4-aMino-3,5-diMethylbenzoateRilpivirine Intermediate 10
Intermediate 113993-78-02-Amino-4-chloropyrimidineRilpivirine Intermediate 11
7RitonavirAPI155213-67-5(3S,4S,6S,9S)-4-Hydroxy-12-methyl-9-(1-methylethyl)-13-[2-(1-methylethyl)-4-thiazolyl]-8,11-dioxo-3,6-bis(phenylmethyl)-2,7,10,12-te traazatridecanoic acid 5-thiazolylmethyl esterRitonavir API
Intermediate 1144163-85-9BDH Pure, [(1S,3S,4S)-4-Amino-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]carbamic acid 1,1-dimethylethyl esterRitonavir Intermediate 1
Intermediate 2144163-97-3Carbonic acid 4-nitrophenyl 5-thiazolylmethyl ester, ((5-Thiazolyl)methyl)-(4-nitrophenyl)carbonateRitonavir Intermediate 2
Intermediate 3169870-02-4[(1S,3S,4S)-4-Amino-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]carbamic acid 1,1-dimethylethyl ester butanedioate, [2S,3S,5S]-2-Amino-3-hydroxy-5-tert-butyloxycarbonylamino-1,6-diphenylhexane succinate saltRitonavir Intermediate 3
Intermediate 4154212-61-0N-[2-Isopropylthiazol-4-ylmethyl(methyl)carbamoyl]-L-valine; MTV-III, (S)-2-(3-((2-Isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acidRitonavir Intermediate 4
Intermediate 5183388-64-9BDH succinate salt, (2S,3S,5S)-5-tert-Butyloxycarbonylamino-2-amino-3-hydroxy-1,6-diphenylhexane succinateRitonavir Intermediate 5
Intermediate 6162849-95-8(2S,3S,5S)-5-(tert-Butoxycarbonylamino)-2-(N-5-thiazolylmethoxycarbonyl)amino-1,6-diphenyl-3-hydroxyhexane, (2S,3S,5S)-5-(tert-Butoxycarbonylamino)-2-(N-5-thiazolylmethoxycarbonyl)amino-1,6-diphenyl-3-hydroxyhexaneRitonavir Intermediate 8
Intermediate 7144164-11-4Thiazol-5-ylMethyl ((2S,3S,5S)-5-aMino-3-hydroxy-1,6-diphenylhexan-2-yl)carbaMate, (2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-1,6-diphenyl-3-hydroxyhexaneRitonavir Intermediate 8
Intermediate 838585-74-9Thiazole-5-methanol, 5-HydroxymethylthiazoleRitonavir Intermediate 8
Intermediate 9156732-13-7(S,Z)-5-Amino-2-(dibenzylamino)-1,6-diphenylhex-4-en-3-one, (S,Z)-5-Amino-2-(dibenzylamino)-1,6-diphenylhex-4-en-3-oneRitonavir Intermediate 9
Intermediate 106306-52-1L-2-Aminoisovaleric Acid Methyl Ester HydrochlorideRitonavir Intermediate 10
Intermediate 11154248-99-4N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)carbonyl)-L-valine methyl ester, N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)carbonyl)-L-valine methyl esterRitonavir Intermediate 11
8LopinavirAPI192725-17-0(S)-N-((2S,4S,5S)-5-(2-(2,6-dimethylphenoxy)acetamido)-4-hydroxy-1,6-diphenylhexan-2-yl)-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanamideLopinavir API
Intermediate 113335-71-22,6-Dimethylphenoxyacetic acidLopinavir Intermediate 1
Intermediate 2156732-13-7(S,Z)-5-Amino-2-(dibenzylamino)-1,6-diphenylhex-4-en-3-oneLopinavir Intermediate 2
Intermediate 3192725-50-1(2S)-(1-Tetrahydropyramid-2-one)-3-methylbutanoic acidLopinavir Intermediate 3
Intermediate 4192726-06-0N-(4-Amino-1-benzyl-3-hydroxy-5-phenyl-pentyl)-3-methyl-2-(2-oxo-tetrahydro-pyrimidin-1-yl)-butyramide 5-oxopyrrolidine-2-carboxylic acidLopinavir Intermediate 4
Intermediate 5192725-45-4(2S,3S,5S)-2-(2,6-Dimethylphenoxyacetyl)amino-3-hydroxy-5-(tert-butoxycarbonyl)amino-1,6-diphenylhexaneLopinavir Intermediate 5
Intermediate 651865-84-0N-Formyl-4-(methylamino)benzoic acidLopinavir Intermediate 6
Intermediate 7144163-85-9[(1S,3S,4S)-4-Amino-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]carbamic acid 1,1-dimethylethyl esterLopinavir Intermediate 7
Intermediate 8192725-49-8N-[(1S,2S,4S)-4-Amino-2-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]-2-(2,6-dimethylphenoxy)acetamideLopinavir Intermediate 8
Intermediate 9156732-12-6(4S)-4-(N, N-dibenzylamino)-3-oxo-5-phenylpentanonitrileLopinavir Intermediate 9
9DarunavirAPI206361-99-1[(1S,2R)-3-[[(4-Aminophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenyl-methyl)propyl]carabamic acid (3R,3aS,6aR)-hexahydrof uro[2,3-b]-furan-3-yl esterDarunavir API
Intermediate 1501921-30-8(3aS,6aR)-Tetrahydro-4-methoxyfuro[3,4-b]furan-2(3H)-oneDarunavir Intermediate 1
Intermediate 2156928-09-5(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-olDarunavir Intermediate 2
Intermediate 3160232-08-6Tert-Butyl [(1S,2R)-1-benzyl-2-hydroxy-3-(isobutylamino)propyl]carbamateDarunavir Intermediate 3
Intermediate 4169280-56-24-Amino-N-[(2R,3S)-3-amino-2-hydroxy-4-phenylbutyl]-N-(2-methylpropyl)benzenesulfonamideDarunavir Intermediate 4
Intermediate 574124-79-1N,N'-Disuccinimidyl carbonateDarunavir Intermediate 5
Intermediate 698737-29-2(2S,3S)-1,2-Epoxy-3-(Boc-amino)-4-phenylbutaneDarunavir Intermediate 8
Intermediate 7866594-60-7(3aS,4S,6aR)-4-methoxy-tetrahydrofuro[3,4-b]furan-2(3H)-oneDarunavir Intermediate 8
Intermediate 8253265-97-3Carbonic acid 2,5-dioxo-1-pyrrolidinyl [(3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl] esterDarunavir Intermediate 8
Intermediate 9191226-98-9tert-Butyl [(1S,2R)-1-benzyl-2-hydroxy-3-[isobutyl[(4-nitrophenyl)sulfonyl]amino]propyl]carbamateDarunavir Intermediate 9
Intermediate 10251105-80-3Benzenesulfonamide,N-[(2R,3S)-3-amino-2-hydroxy-4-phenylbutyl]-N-(2-methylpropyl)-4-nitro-Darunavir Intermediate 10
Intermediate 11143224-62-8(2r,3s)-3benzyloxycarbonylami no-2-hydroxy-1-(N-Darunavir Intermediate 11
Intermediate 12159005-59-1Carbamic acid,N-[(1S,2R)-2-hydroxy-3-[(2-methylpropyl)[(4-nitrophenyl)sulfonyl]amino]-1-(phenylmethyl)propyl]-, phenylmethyl ester )Darunavir Intermediate 12
Intermediate 13183004-94-6tert-Butyl [(1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl)amino]-1-benzyl-2-hydroxypropyl]carbamateDarunavir Intermediate 13
10SaxagliptinAPI361442-04-8(1S,3S,5S)-2-[(2S)-2-Amino-2-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)acetyl]-2-azabicyclo[3.1.0]hexane-3-carbonitrileSaxagliptin API
Intermediate 1361442-00-4Boc-3-Hydroxy-1-adamantyl-D-glycineSaxagliptin Intermediate 1
Intermediate 2361440-67-7(1S,3S,5S)-3-(Aminocarbonyl)-2-azabicyclo[3.1.0]hexane-2-carboxylic acid tert-butyl esterSaxagliptin Intermediate 2
Intermediate 3709031-29-83-Hydroxy-1-adamantyl-D-glycineSaxagliptin Intermediate 3
Intermediate 4709031-43-6N-[(1S)-2-[(1S,3S,5S)-3-Cyano-2-azabicyclo[3.1.0]hex-2-yl]-1-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)-2-oxoethyl]carbamic acid 1,1-dimethylethyl esterSaxagliptin Intermediate 4
Intermediate 5866083-42-3(1S,3S,5S)-2-Azabicyclo[3.1.0]hexane-3-carbonitrileSaxagliptin Intermediate 5
Intermediate 6361440-68-8(1S,3S,5S)-2-Azabicyclo[3.1.0]hexane-3-carboxamideSaxagliptin Intermediate 6
Intermediate 7361440-69-9(1S,3S,5S)-2-Azabicyclo[3.1.0]hexane-3-carboxamide 2,2,2-trifluoroacetateSaxagliptin Intermediate 7
Intermediate 8709031-39-0(1S,3S,5S)-2-Azabicyclo[3.1.0]hexane-3-carboxamide hydrochlorideSaxagliptin Intermediate 8
Intermediate 9709031-45-8(1S,3S,5S)-2-Azabicyclo[3.1.0]hexane-3-carboxamide methanesulfonateSaxagliptin Intermediate 9
11SitagliptinAPI486460-32-6(3R)-3-Amino-1-[3-(trifluoromethyl)-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazin-7-yl]-4-(2,4,5-trifluorophenyl)butan-1-oneSitagliptin API
Intermediate 1767340-03-4(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro- [1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5- trifluorophenyl)but-2-en-2-amineSitagliptin Intermediate 1
Intermediate 2764667-65-44-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-oneSitagliptin Intermediate 2
12TadalafilAPI171596-29-5(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dioneTadalafil API
Intermediate 1171489-59-1(1R,3R)-1-(1,3-Benzodioxol-5-yl)-2-(chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid methyl esterTadalafil Intermediate 1
Intermediate 214907-27-8D-Tryptophan methyl ester hydrochlorideTadalafil Intermediate 2
Intermediate 3171752-68-4(1R,3R) – methyl-1-(benzo [d] [1,3] dioxol-5-yl) -2,3,4,9 – tetrahydro -1H –pyrido [3,4-b] indole-3-carboxylate hydrochlorideTadalafil Intermediate 3

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