Patent · US Expired

Intramolecular migration reactions

US4996340A · kind A · utility

3Cited by
4References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 8, 1989
Grant dateFeb 26, 1991
Priority date
Expiry dateNov 8, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C17/263
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A novel migratory insertion reaction is disclosed utilizing organoaluminum compounds. An intramolecular transfer of a carbon group from the aluminum complex E-1-halo-1-alkenyl)trialkylalanate occurs to produce an E-alkenyl(alkoxy)dialkylalanate or an E-dialkylalkenylalane or an (E,E)-3-alkyl-2-dialkylalumino-1,3-diene depending on process conditions. Novel organic aluminates are also disclosed.

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