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公开(公告)号：US3627660A
公开(公告)日：1971-12-14
申请号：US3627660D
申请日：1969-12-08
Applicant: ZOECON CORP
Inventor： SIDDAL JOHN B
IPC: C07D311/94 , C07D315/00 , B01J1/10
CPC classification number: C07D315/00 , C07D311/94
Abstract: Synthesis of cis 2-(1''-methyl-2''-isopropenylcyclobutyl)ethanol, a component of the boll weevil sex attractant, and intermediates therefor, in which 5-hydroxy-pent-2-ynoic acid ester or ethers thereof is methylated followed by cyclization to yield 3methylpent-2-eno-5-lactone which is irradiated in presence of ethylene to yield 2,3-cycloethylene-3-methylpentano-5-lactone which is cleaved and converted into 2-(1''-methyl-2''isopropenylcyclobutyl)ethanol.
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