Patent · US Expired

Chiral compounds

US5820783A · kind A · utility

2Cited by

1References

8Claims

0Family size

Assignee

BASF SE

Inventors

Karl Siemensmeyer · Bischofswerda, DE
Volkmar Vill · Hamburg, DE
Hanns-Walter Tunger · Hamburg, DE
Matthias Paul · Hamburg, DE

Key dates

Filing date	Jul 29, 1997
Grant date	Oct 13, 1998
Priority date	—
Expiry date	Jul 29, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2019/3422
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Chiral compounds of the formula I ##STR1## where R.sup.1 is hydrogen or --Y--Z--Y.sup.1, PA1 R.sup.2 is ##STR2## and X is hydrogen, fluorine, chlorine, bromine, iodine, hydroxyl or OR.sup.1, where PA1 Y is a direct bond, CO or C.sub.2 - to C.sub.8 -alkylene in which nonadjacent carbon atoms may be replaced by O, CO, COO or OCO, PA1 Z is a group containing one or more saturated or unsaturated carbocyclic or heterocyclic rings, PA1 Y.sup.1 is C.sub.1 - to C.sub.15 -alkyl, C.sub.2 - to C.sub.15 -alkenyl, C.sub.1 - to C.sub.15 -alkoxy, C.sub.2 - to C.sub.15 -alkenyloxy, C.sub.1 - to C.sub.15 -alkanoyloxy or C.sub.3 - to C.sub.15 -alkenoyloxy, it being possible for nonadjacent carbon atoms in these radicals to be replaced by oxygen, OCO or COO, and PA1 n is 0, 1 or 2.

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