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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 543518Generated: October 27, 2026

(3aR,4R,5R,6aS)-4-formyl-2-oxohexahydro-2H-cyclopenta[b]furan-5-yl benzoate → (1S,5R,6R,7R)-7-Benzoyloxy-6-[(E)-(4RS)-4-methyl-3-oxonon-1-en-6-inyl]-2-oxabicyclo[3,3,0]octan-3-one

https://huagongshe.com/reaction/543518

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(3aR,4R,5R,6aS)-4-formyl-2-oxohexahydro-2H-cyclopenta[b]furan-5-yl benzoateHCID 11000244—
ReactantDimethyl (3-methyl-2-oxooct-5-yn-1-yl)phosphonateHCID 13269867—
Product(1S,5R,6R,7R)-7-Benzoyloxy-6-[(E)-(4RS)-4-methyl-3-oxonon-1-en-6-inyl]-2-oxabicyclo[3,3,0]octan-3-oneHCID 1347248190%

Reaction Steps

Analogously to Example 1(g), 14.2 g of the title compound was synthesized from 9.85 g of 3-methyl-2-oxooct-5-inylphosphonic acid dimethyl ester and 11 g of (1S,5R,6R,7R)-6-formyl-7-benzoyloxy-2-oxabicyclo[3,3,0]octan-3-one [E. J. Corey et al., J. Amer. Chem. Soc. 91: 5675 (1969)].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04446147
Source datasetuspto-grants-1984_05
ORD IDord-5f94b7bde36547ff8f57c187af699cf8
Source noteuspto-grants-1984_05