Patent · US Expired

Acetals, and a process for the preparation thereof

US4967012A · kind A · utility

0Cited by
1References
3Claims
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Assignee

Inventor

Key dates

Filing dateMay 25, 1989
Grant dateOct 30, 1990
Priority date
Expiry dateMay 25, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/76
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to acetals of the formula CH.sub.3 --CO--CH.dbd.C(OR).sub.2 where R is --(CH.sub.2).sub.n --OR' where n is 2 or 3 and R' is C.sub.1 -C.sub.5 -alkyl. In addition, the invention relates to a process for the preparation of acetals of the formula CH.sub.3 --CO--CH.dbd.C(OR).sub.2 where R is C.sub.1 -C.sub.12 -alkyl or R is --(CH.sub.2).sub.n --OR' where n is 2 or 3 and R' is C.sub.1 -C.sub.5 -alkyl. The process comprises reacting diketene with an alcohol of the formula ROH where R has the meaning indicated, in the presence of an acidic catalyst.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.