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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 582729Generated: October 25, 2026

Pyridine → HCID 53942269, compound

https://huagongshe.com/reaction/582729

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
Reactant(1R,3R)-2,2-Dimethyl-3-(2-methyl-1-propen-1-yl)cyclopropanecarbonyl chlorideHCID 10867076—
Reactant(RS)-3-allyl-4-methyl-3-cyclopenten-1-olHCID 54075418—
Catalyst2,6-Di-tert-butyl-4-methylphenolHCID 31404—
SolventTolueneHCID 1140—
ProductHCID 53942269HCID 5394226974%

Reaction Steps

To a mixture of (RS)-3-(2-propenyl)-4-methyl-3-cyclopenten-1-ol (190 mg), 2,6-di-tert-butyl-4-methylphenol (5 mg), pyridine (140 mg) and toluene (10 ml), (1R)-trans-2,2-dimethyl-3-(2-methyl-1-propenyl)-cyclopropanecarbonyl chloride was added under ice-cooling. The resulting reaction mixture was further allowed to react for 8 hours at room temperature. Then the reaction mixture was subjected to the same post-treatment as in Example 1 to afford 295 mg of (RS)-3-(2-propenyl)-4-methyl-3-cyclopenten-1-yl (1R)-trans-2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate (Compound No. 40). Yield 74% nD25 1.4891

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05925676
Source datasetuspto-grants-1999_07
ORD IDord-379b801332354998bb462b444fee052d
Source noteuspto-grants-1999_07