Novel process of alkoxy and aryloxy isothiocyanate preparation
US4778921A · kind A · utility
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8Claims
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Key dates
| Filing date | Jan 22, 1986 |
| Grant date | Oct 18, 1988 |
| Priority date | — |
| Expiry date | Jan 22, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C331/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Alkoxy and aryloxy isothiocyanates are produced by the reaction of a haloformate and an alkali or alkaline earth metal thiocyanate in the presence of water and a catalyst comprising a six membered mononuclear or ten membered fused polynuclear aromatic, heterocyclic compound having 1 or 2 nitrogen atoms as the only hetero atoms in the ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.