Condensation of colchicinoids and isocolchicinoids with amidines in dry benzene affords regioselectively 1,3-diazaazulene derivatives: ipso-substitution-condensation products (e,g. 7) are best obtained from cycloheptatrienone-ring deactivated substrates (e.g. 4), whereas isomeric tele-subsfitution-c
Amidination of cyclopetatrienones via hydride replacement: a regiospecific synthesis of functionalized 1,3-diazaazulenes
β Scribed by Francesco Del Cima; Marino Cavazza; C. Arberto Veracini; Francesco Pietra
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- French
- Weight
- 117 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
β¦ Synopsis
Recently new reqlospecific syntheses of both aminotropones (via hydride
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