Glycine derivatives are useful starting materials for the synthesis of a-amino acids. For example, benzophenone imines of glycine esters, compounds of type 1 introduced by ODonnell and Eckrich in 1978, [1] have been employed in numerous syntheses of a-amino acids. [2,3] Herein we report alternatives
The Fluorenone Imines of Glycine Esters and Their Phosphonic Acid Analogues
✍ Scribed by Shū Kobayashi; Ryo Yazaki; Kazutaka Seki; Yasuhiro Yamashita
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 313 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
The principal componenls or the 3'P chemical shirt baser in six phosphonic acid suers and ~\\TJ phosphonic acids xverr determined. The chemical shirl anisorropies of the es~crs lie in rhr range herween 149 and 182 ppm and the asymmcq paramekrs between 0.1 and 0.5.
## Abstract Starting from a cyclopropane lactone **5**, the synthesis of a 1‐aminocyclopropane‐1‐phosphonic acid derivative **11** is described. The considerable differences in the reactivity of the lactone ring opening in the case of a cyclopropane lactone substituted by a phosphonic acid ester **