tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

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Chemical Name:tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate
CAS No.:1266233-14-0
Molecular Formula:C₃₄H₄₉F₂N₅O₇
Molecular Weight:677.789
Hs Code.:

tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

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Chemical Property of tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

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Technology Process of tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

There total 11 articles about tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 1266233-13-9
(3S,7,8aR)-2-[(2S)-2-amino-2-(4,4-difluorocyclohexyl)acetyl]-N-[(4R)-3,4-dihydro-2H-chromen-4-yl]-7-hydroxyoctahydropyrrolo[1,2-a]pyrazine-3-carboxamide

: 16948-16-6
N-(tert-butoxycarbonyl)-N-methyl-L-alanine

: 1266233-14-0
tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

Guidance literature:: With dmap; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In N,N-dimethyl-formamide; at 20 ℃; for 3h;
DOI:10.1021/jm301674z

Reference yield:

: 873581-24-9
methyl (2S)-{[(benzyloxy)carbonyl]amino}(1,4-dioxaspiro[4.5]dec-8-yl)ethanoate

: 1266233-14-0
tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

Guidance literature:: Multi-step reaction with 6 steps

1.1: dichloro-acetic acid / tetrahydrofuran; water; acetic acid / 3 h / 30 °C

2.1: diethylamino-sulfur trifluoride / dichloromethane / 1 h / 20 °C

2.2: 5 h / 20 °C

3.1: lithium hydroxide monohydrate / tetrahydrofuran; water / 2 h / 0 - 20 °C

4.1: benzotriazol-1-ol; dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 15 h / 20 °C

5.1: hydrogenchloride; hydrogen; 20% palladium hydroxide-activated charcoal / methanol / 18 h / 20 °C

6.1: benzotriazol-1-ol; dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 3 h / 20 °C

With hydrogenchloride; dichloro-acetic acid; dmap; lithium hydroxide monohydrate; diethylamino-sulfur trifluoride; 20% palladium hydroxide-activated charcoal; hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In tetrahydrofuran; methanol; dichloromethane; water; acetic acid; N,N-dimethyl-formamide;
DOI:10.1021/jm301674z

Reference yield:

: 1241377-38-7
methyl (2S)-{[(benzyloxy)carbonyl]amino}(4-oxocyclohexyl)ethanoate

: 1266233-14-0
tert-butyl [(1S)-2-({(1S)-1-(4,4-difluorocyclohexyl)-2-[(3S,7R,8aR)-3-[(4R)-3,4-dihydro-2H-chromen-4-yl-carbamoyl]-7-hydroxyhexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

Guidance literature:: Multi-step reaction with 5 steps

1.1: diethylamino-sulfur trifluoride / dichloromethane / 1 h / 20 °C

1.2: 5 h / 20 °C

2.1: lithium hydroxide monohydrate / tetrahydrofuran; water / 2 h / 0 - 20 °C

3.1: benzotriazol-1-ol; dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 15 h / 20 °C

4.1: hydrogenchloride; hydrogen; 20% palladium hydroxide-activated charcoal / methanol / 18 h / 20 °C

5.1: benzotriazol-1-ol; dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 3 h / 20 °C

With hydrogenchloride; dmap; lithium hydroxide monohydrate; diethylamino-sulfur trifluoride; 20% palladium hydroxide-activated charcoal; hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1021/jm301674z