Patent · US Active

Method for the preparation of thiocarbonates

US11247979B2 · kind B2 · utility

0Cited by

6References

16Claims

0Family size

Assignee

BASF SE

Inventors

Peter Rudolf · Ludwigshafen, DE
Indre Thiel · Ludwigshafen am Rhein, DE
Markus Jegelka · Ludwigshafen, DE
Jan-Dirk Arndt · Mannheim, DE
Joaquim Henrique Teles · Waldsee, DE

Key dates

Filing date	Aug 7, 2018
Grant date	Feb 15, 2022
Priority date	—
Expiry date	Sep 6, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D411/12
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the preparation of a compound with at least one five-membered cyclic monothiocarbonate group wherein a) a compound with at least one epoxy group is used as starting material b) the compound is reacted with phosgene or an alkyl chloroformate thus giving an adduct and c) the adduct is reacted with a compound comprising anionic sulfurthus obtaining the compound with at least one five-membered cyclic monothiocarbonate group.

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