tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

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Chemical Name:tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate
CAS No.:1266230-90-3
Molecular Formula:C₃₄H₅₁N₅O₆
Molecular Weight:625.809
Hs Code.:

tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

Synonyms:tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

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Chemical Property of tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

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Technology Process of tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

There total 4 articles about tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-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:

: (3S,8aS)-2-[(2S)-2-amino-2-cyclohexylacetyl]-N-[(4R)-3,4-dihydro-2H-chromene-4-yl]octahydropyrrolo[1,2-a]pyrazine-3-carboxamide dihydrochloride

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

: 1266230-90-3
tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

Guidance literature:: With N-ethyl-N,N-diisopropylamine; HATU; In N,N-dimethyl-formamide; at 20 ℃; for 18h;

Reference yield:

: 1266230-88-9
tert-butyl {(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}carbamate

: 1266230-90-3
tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

Guidance literature:: Multi-step reaction with 2 steps

1: hydrogenchloride / ethyl acetate / 2 h / 20 °C

2: N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 18 h / 0 - 20 °C

With hydrogenchloride; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/j.bmc.2013.09.067

Reference yield:

: 1266229-51-9
tert-butyl (3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromen-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate

: 1266230-90-3
tert-butyl [(1S)-2-({(1S)-1-cyclohexyl-2-[(3S,8aS)-3-[(4R)-3,4-dihydro-2H-chromene-4-ylcarbamoyl]hexahydropyrrolo[1,2-a]pyrazine-2(1H)-yl]-2-oxoethyl}amino)-1-methyl-2-oxoethyl]methylcarbamate

Guidance literature:: Multi-step reaction with 4 steps

1: hydrogenchloride / ethyl acetate / 2 h / 20 °C

2: N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 18 h / 0 - 20 °C

3: hydrogenchloride / ethyl acetate / 2 h / 20 °C

4: N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 18 h / 0 - 20 °C

With hydrogenchloride; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/j.bmc.2013.09.067