Patent · US Expired

Process and intermediates for optically active 3-formyltetrahydropyrans

US5149821A · kind A · utility

1Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 11, 1990
Grant dateSep 22, 1992
Priority date
Expiry dateOct 11, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D309/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process and intermediate useful in the preparation of optically active 3-formyltetrahydropyrans from racemic 3-formyltetrahydropyran.

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