Synthesis of 2-cyanoaziridine-1-carboxamide
US6476236B1 · kind B1 · utility
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5Claims
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Key dates
| Filing date | Nov 26, 2001 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Nov 26, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D203/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a process for producing an aziridine-1-carboxamide of the formula: from an aziridine of the formula: and an isocyanate of the formula R5—N═C═O, where R1, R2, R3, R4 and R5 are those defined herein. In addition, the present invention also provides a process for producing a 4-imino-1,3-diazabicyclo[3.1.0]-hexan-2-one of the formula: from the aziridine-1-carboxamide of Formula I.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.