Patent · US Expired

Process for the preparation of hemiaminals, and the use thereof

US4692536A · kind A · utility

4Cited by
14References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 14, 1986
Grant dateSep 8, 1987
Priority date
Expiry dateOct 14, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/188
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The reaction of dimethylformamide, R.sup.1 R.sup.2 R.sup.3 SiX and RY in the presence of zinc or the reaction of dimethylformamide, R.sup.1 R.sup.2 R.sup.3 SiX and a zinc compound RZnY.yL affords hemiaminals of formula I ##STR1## R is e.g. polyhalogenated alkyl containing at least one fluorine atom; R.sup.1, R.sup.2 and R.sup.3 are e.g. alkyl; L is a ligand; X is chlorine or bromine; Y is chlorine, bromine or iodine and y is 1 or 2.

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