- 著者
- 矢島 治明 小川 博 藤井 信孝 船越 奨
- 出版者
- The Pharmaceutical Society of Japan
- 雑誌
- Chemical and Pharmaceutical Bulletin (ISSN:00092363)
- 巻号頁・発行日
- vol.25, no.4, pp.740-747, 1977-04-25 (Released:2008-03-31)
- 被引用文献数
- 12 21
Among various dilute sulfonic acids tested, 2 to 4N ethanesulfonic acid in acetic acid or methylenechloride was found suitable as a deprotecting reagent for the acid labile α-amino protecting groups, such as Boc and Z(OMe), which are currently removed by trifluoroacetic acid or dilute hydrochloric acid, since the deprotection occured selectively within 60 minutes at room temperature leaving intact other side chain protecting groups, such as Z, benzyl ester, S-p-methoxybenzyl and NG-p-methoxybenzenesulfonyl groups. This reagent was applied to the synthesis of three model peptides ; Met and Leu-enkephalin and endorphin.