(5S,8aS)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione

Base Information

Chemical Name:(5S,8aS)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione
CAS No.:1309455-27-3
Molecular Formula:C₁₈H₂₂N₂O₃
Molecular Weight:314.384
Hs Code.:

Synonyms:(5S,8aS)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (5S,8aS)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of (5S,8aS)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione

There total 2 articles about (5S,8aS)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione 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: 57.0%

: 1309455-06-8
(S)-O-t-butyl-N-[1-(allylcyclopentylamino)-1-oxo-3-phenylpropan-2-yl]carbamate

: 1309455-27-3
(5S,8aS)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione

: 1309455-16-0
(5S,8aR)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione

Guidance literature:: With dichloro bis(acetonitrile) palladium(II); copper dichloride; In N,N-dimethyl-formamide; at 100 ℃; for 24h; optical yield given as %de;
DOI:10.1002/adsc.201000889

Reference yield:

: 13734-34-4
N-tert-butoxycarbonyl-L-phenylalanine

: 55611-39-7
n-allylcyclopentylamine

: 1309455-27-3
(5S,8aS)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione

: 1309455-16-0
(5S,8aR)-5-benzyl-7-cyclopentyl-8,8a-dihydro-1H-oxazolo[3,4-a]pyrazine-3,6(5H,7H)-dione

Guidance literature:: Multi-step reaction with 2 steps

1: dmap; dicyclohexyl-carbodiimide / dichloromethane / 48 h / 0 - 20 °C

2: dichloro bis(acetonitrile) palladium(II); copper dichloride / N,N-dimethyl-formamide / 24 h / 100 °C

With dmap; dichloro bis(acetonitrile) palladium(II); dicyclohexyl-carbodiimide; copper dichloride; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/adsc.201000889