N- acylamino acids and peptides III. The synthesis of N- (feruloyl-2-14C)-glycine-2-3H
✍ Scribed by H. De Pooter; I. Pé; C. F. Van Sumere
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- French
- Weight
- 264 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0022-2135
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✦ Synopsis
Abstract
N‐(Feruloyl‐2‐^14^C)‐glycine‐2‐^3^H (IX) was obtained with an acceptable yield (43%) starting from O‐methoxycarbonyl‐ferulic acid‐2‐^14^C (IV) and glycine‐2‐^3^H ethyl ester (VI). The latter two compounds were first condensed into N‐(O‐methoxycarbonyl‐feruloyl‐2‐^14^C)‐glycine ‐2‐^3^H ethyl ester (VII) using anisoyl chloride (X) and the mixed anhydride method (?). Subsequently VII was transformed into N‐(feruloyl‐2‐^14^C)‐glycine‐2‐^3^H (IX) by alkaline hydrolysis. The specific activities of the compound were respectively 12.64 μCi (^3^H)/μmole and 1.71 μCi (^14^C)/μmole.
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4-[2-(Di -n-pr yl amino)et hyl l-2 (3H)-indolone ( 1 ) labeled with ? !C at C2 was prepared by a simple and efficient procedure involving carbonation o f a stabilized benzvllithium species. fol owed by ring closure under hydrolytic conditions.
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