1383715-58-9

Upstream product

• 24424-99-5 di-tert-butyl dicarbonate 
• 1215969-79-1 3-chloro-1-(3',4'-difluorophenyl)-propan-1-one 
• 1345413-26-4 trans-(1R,2S)-2-(3,4-difluorophenyl)-1-nitrocyclopropane 
• 1345413-25-3 (1S)-1-(3,4-difluorophenyl)-3-nitropropan-1-ol 
• 145783-14-8 4,6-dichloro-5-nitro-2-(propylsulfanyl)pyrimidine 
• 1350749-64-2 tert-butyl ((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)carbamate 
• 376608-71-8 trans-(1R,2S)-2-(3,4-difluorophenyl)cyclopropylamine (2R)-2-hydroxy-2-phenylacetic acid salt 
• 1006614-49-8 (1R,2S)-2-(3,4-difluorophenyl)cyclopropanamine 
• 145783-13-7 4,6-dihydroxy-5-nitro-2-(propylthio)pyrimidine 
• 367-11-3 ortho-difluorobenzene 

Downstream Products

• 1383715-59-0 2-[[(3aR,4S,6R,6aS)-6-[[4-[N-[(1R,2S)-2-(3,4-difluorophenyl)cyclopropan-1-yl]-N-tert-butoxycarbonyl]amino]-2-(propylthio)-5-nitropyrimidin-6-yl]-2,2-dimethyl-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl]oxy] ethanol 
• 1427523-79-2 tert-butyl ((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)(6-(((3aS,4R,6S,6aR)-6-hydroxy-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)amino)-5-nitro-2-(propylthio)pyrimidin-4-yl)carbamate 
• 1427523-82-7 methyl 2-(((3aR,4S,6R,6aS)-6-(7-((tert-butoxycarbonyl)((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)acetate 
• 1427523-80-5 tert-butyl (5-amino-6-(((3aS,4R,6S,6aR)-6-hydroxy-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)amino)-2-(propylthio) pyrimidin-4-yl)((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)carbamate 
• 1383715-62-5 2-({(3aR,4S,6R,6aS)-6-[7-{[[N-(IR,2S)-2-(3,4-difluorophenyl)-cyclopropan-1-yl]-N-benzyl]amino}-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl]-2,2-dimethyl-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl}oxy)ethanol 
• 1383715-61-4 tert-butyl N-[3-[(3aS,4R,6S,6aR)-6-(2-hydroxyethoxy)-2,2-dimethyl-hexahydrocyclopenta[d][1,3]dioxol-4-yl]-5-(propylsulfanyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl]-N-[(1R,2S)-2-(3,4-difluorophenyl)cyclopropyl]carbamate 
• 1383715-60-3 2-[[(3aR,4S,6R,6aS)-6-[[4-[N-[(1R,2S)-2-(3,4-difluorophenyl)cyclopropan-1-yl]-N-tert-butoxycarbonyl]amino]-2-(propylthio)-5-aminopyrimidin-6-yl]-2,2-dimethyl-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl]oxy]ethanol 
• 274693-27-5 ticagrelor 
• 274693-26-4 [3aR-[3aα,4α,6α,(1R,2S),6aα]]-2-[6-[[[7-(2-(3,4-difluorophenyl)cyclopropyl)]amino-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]tetrahydro-2,2-dimethyl-4H-cyclopenteno-1,3-dioxolan-4-yl]oxy]ethanol 

Relevant academic research and scientific papers

A method for preparing for standard auspicious Luo river

The invention provides a ticagrelor preparation method. The method using a compound of structural formula 2 as an initiator comprises the following steps: 1, reacting the compound of structural formula 2 with di-tert-butyl pyrocarbonate to obtain a compound of structural formula 3; 2, reacting the compound of structural formula 3 with a compound of structural formula 4 to obtain a compound of structural formula 5; 3, reacting the compound of structural formula 5 with a compound of structural formula 6 to obtain a compound of structural formula 7; and 4, carrying out nitro group reduction on the compound of structural formula 7, cyclizing, and carrying out protective group removal to obtain ticagrelor of structural formula 1.

Synthesis of Triazolopyrimidine Compounds

The present invention relates to the filed of organic synthesis and describes the synthesis of specific triazolopyrimidine compounds and intermediates thereof as well as related derivatives, suitable for the preparation of ticagrelor (TGC)

SYNTHESIS OF TRIAZOLOPYRIMIDINE COMPOUNDS

The present invention relates to the field of organic synthesis and describes the synthesis of specific triazolopyrimidine compounds and intermediates thereof as well as related derivatives, suitable for the preparation of Ticagrelor (TCG).

NOVEL PROCESSES FOR PREPARING TRIAZOLO[4,5-D]PYRIMIDINE DERIVATIVES AND INTERMEDIATES THEREOF

Provided herein is a novel process for the preparation of triazolo[4,5-d]pyrimidine derivatives. Provided particularly herein is a novel, commercially viable and industrially advantageous process for the preparation of highly pure ticagrelor or a pharmaceutically acceptable salt thereof. Provided further herein is a novel process for the preparation of substituted cyclopentanamine derivatives, which are useful intermediates in the preparation of triazolo[4,5-d]pyrimidine compounds. Provided particularly herein is a novel, commercially viable and industrially advantageous process for the preparation of a ticagrelor intermediate, 2-[[(3aR,4S,6R,6aS)-6-amino-2,2-dimethyltetrahydro-3aH-cyclopenta[d] [1,3]- dioxol-4-yl]oxy]- 1 -ethanol.