Synthesis of novel carbo- and heteropolycycles. 12. A new versatile synthesis of oxazoles by intramolecular aza-Wittig reaction
β Scribed by Takeuchi, Hisato; Yanagida, Shunichi; Ozaki, Toru; Hagiwara, Satoshi; Eguchi, Shoji
- Book ID
- 111916623
- Publisher
- American Chemical Society
- Year
- 1989
- Tongue
- English
- Weight
- 534 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0022-3263
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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
## Abstract A straightforward synthesis of (__S__)βpyrrolam A is described. The synthesis involves __in situ__ generation of the phosphorane **3**, followed by an intramolecular __Wittig__ reaction to furnish (__S__)βpyrrolam A.