Piperazinone, piperazine, 1,4-diazepin-2-one and 1,4-diazepine intermediate compounds
US4534897A · kind A · utility
3Cited by
1References
36Claims
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Key dates
| Filing date | Apr 10, 1984 |
| Grant date | Aug 13, 1985 |
| Priority date | — |
| Expiry date | Apr 10, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S930/27
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The compounds of the following formulas ##STR1## where W is hydrogen, benzyloxycarbonyl, or t-butoxycarbonyl useful as intermediates for preparing piperazine, piperazinone, 1,4-diazepine and 1,4-diazepin-2-one polypeptide compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.