Investigations in the Biosynthesis of th
โ
Prof. Dr. Lutz F. Tietze; Dr. Holger Geissler
๐
Article
๐
1993
๐
John Wiley and Sons
๐
English
โ 338 KB
๐ 2 views
MI ## M4 Scheme 1 were treated with equal amounts of acetic acid under identical reaction conditions (20 "C, 2 h). The yields of the cyclic tetrapyrroles were determined by HPLC with 5,5,10,10,15,15,20,20-octamethylporphyrinogen as internal The reaction of 2 gave no identifiable products; 3 prov