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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2175831Generated: November 1, 2026

(3S,9aS)-tert-butyl 3-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylate → (3R,9aR)-tert-butyl 3-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylate

https://huagongshe.com/reaction/2175831

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(3S,9aS)-tert-butyl 3-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylateHCID 71271513—
Reactant(7R,9aS)-benzyl 8-allyl-7-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylateHCID 86727056—
Product(3R,9aR)-tert-butyl 3-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylateHCID 71273710—
Product(3S,9aR)-tert-butyl 3-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylateHCID 86727055—

Reaction Steps

The title compound was prepared in an analogous fashion to that described for the synthesis of (3S,9aS)-tert-butyl 3-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylate starting from (7R,9aS)-benzyl 8-allyl-7-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylate (obtained from the synthesis of (3S,9aR)-tert-butyl 3-(3-cyano-4-fluoro-2-methylphenyl)hexahydro-1H-pyrazino[1,2-a]pyrazine-2(6H)-carboxylate). LC/MS: 375.14 (M+1)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09062070B2
Source datasetuspto-grants-2015_06
ORD IDord-077594b9de224da38216be72222d7998
Source noteuspto-grants-2015_06