Diazirine derivatives of aromatic heterocyclic compounds
US5120861A · kind A · utility
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6Claims
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Key dates
| Filing date | Nov 16, 1990 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Nov 16, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## in which Het represents an optionally substituted aromatic heterocycle having a sulphur or oxygen hetero atom and attached via a ring carbon atom, and X is halogen, alkyl, alkaryl, cyano, alkoxy, mono- or di-alkylamino, acyloxy or aryl, are useful intermediates to a range of cyclopropane derivatives. Processes for their preparation and their use in further synthetic processes are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.