Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1976361Generated: November 1, 2026

(1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-1-(methylcarbamoyloxy)cyclopenta[c]-pyrane-4-carboxylic acid dimethylamide → (1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-7-methyl-1-(methylcarbamoyloxy) cyclopenta [c]-pyrane-4-carboxylic acid

https://huagongshe.com/reaction/1976361

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-1-(methylcarbamoyloxy)cyclopenta[c]-pyrane-4-carboxylic acid dimethylamideHCID 57301816—
ReactantHCID 86756670HCID 86756670—
Product(1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-7-methyl-1-(methylcarbamoyloxy) cyclopenta [c]-pyrane-4-carboxylic acidHCID 18397301—
Product(1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-7-methyl-1-(methylcarbamoyloxy) cyclopenta [c]-pyrane-4-carboxylic acid benzylamideHCID 57159362—
Product(1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-7-methyl-1-(methylcarbamoyloxy)cyclopenta[c]-pyrane-4-carboxylic acid pyrrolidylamideHCID 86755115—

Reaction Steps

(1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-1-(methylcarbamoyloxy) cyclopenta [c]-pyrane-4-carboxylic acid dimethylamide (Table 4, Compound No. 18), (1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-7-methyl-1-(methylcarbamoyloxy) cyclopenta [c]-pyrane-4-carboxylic acid diethylamide (Table 4, Compound No. 19), (1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-7-methyl-1-(methylcarbamoyloxy) cyclopenta [c]-pyrane-4-carboxylic acid pyrrolidylamide (Table 5, Compound No. 25), and (1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-7-methyl-1-(methylcarbamoyloxy) cyclopenta [c]-pyrane-4-carboxylic acid benzylamide (Table 6, Compound No. 27) were produced in the same manner from (1S,4aS,6S,7R,7aR)-6,7-epoxy-1,4a,5,6,7,7a-hexahydro-7-methyl-1-(methylcarbamoyloxy) cyclopenta [c]-pyrane-4-carboxylic acid. The physicochemical properties of the above compounds are described in the attached tables (corresponding to Table No. and Compound No.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06225478B1
Source datasetuspto-grants-2001_05
ORD IDord-8b07cf4d8ca142caaf87446570169789
Source noteuspto-grants-2001_05