An efficient carbapenem synthesis via an intramolecular Wittig reaction of new trialkoxyphosphorane-thiolesters
β Scribed by Akira Yoshida; Yawara Tajima; Noriko Takeda; Sadao Oida
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- French
- Weight
- 287 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
New pyrrolobenzodiazocines 3 have been prepared by an intramolecular Friedel-Crafts process from pyrrolobenzoacrylamides 2. The cyclisation process involving a 1,4-intramolecular addition of a pyrrole onto acrylamide led to the formation of an eight-membered ring.
A new synthesis of imidazolinones and quinazolinones by intramolecular aza-Wittig reaction is described. 3, 6, lo, Readily available azido substituted imides and 12 reacted with triphenylphosphine tributvlnhosoh&e to afford thecorresoondins imidazolinones 1. 7 aZa' quinazolinones 2, 12 via the Sta