Group-4 Metallocene Cation Complexes of
✍
Jörg Wonnemann; Markus Oberhoff; Gerhard Erker; Roland Fröhlich; Klaus Bergander
📂
Article
📅
1999
🏛
John Wiley and Sons
🌐
English
⚖ 354 KB
The dipeptide derivatives Boc-Gly-Val-OMe (2) and Boc-primary adduct 7-I (Ͼ 0 °C) resulted in methane elimination and formation of a mixture of the isomers 7-B and 7-A Ala-Val-OMe (3) selectively add the methylzirconocene cation 1 to the carbonyl oxygen atom of the N-terminal amino (isolated in a 3: