Patent · US Expired

Plant physiologically active compositions containing 2-halo-2,3-dihydrobenzofuran-5-olesters of sulfonic acids and methods of use

US4001003A · kind A · utility

1Cited by
3References
29Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 16, 1975
Grant dateJan 4, 1977
Priority date
Expiry dateApr 16, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D307/86
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A plant physiologically active composition containing as the active ingredient a compound of formula ##STR1## characterized in that R.sup.1, R.sup.2 and R.sup.3 are the same or different and each represents hydrogen or alkyl, or R.sup.1 and R.sup.2 together or R.sup.2 and R.sup.3 together form an alkylene chain; PA1 R.sup.4 represents a halogen atom; PA1 R.sup.5 represents alkyl, substituted alkyl, aryl or substituted aryl; and PA1 R.sup.6, r.sup.7 and R.sup.8 are the same or different and each represents hydrogen, alkyl, halogen, cyano, alkanoyl or alkoxy. The present invention also involves methods of using the aforementioned compositions.

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