Premium
Toonacilin and 6‐Acetoxytoonacilin, Two Novel B‐ seco ‐Tetranortriterpenoids with Antifeeding Activity
Author(s) -
Kraus Wolfgang,
Grimminger Wolf,
Sawitzki Gisela
Publication year - 1978
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.197804521
Subject(s) - bark (sound) , terpene , chemistry , traditional medicine , biology , stereochemistry , toxicology , ecology , medicine
Natural plant protecting agents are toonacilin (1) , R H, and its 6‐acetoxy derivatives whose structure has now been elucidated. They occur in the bark of a Toona ciliata species; extracts exert a powerful antifeeding effect on the Mexican bean beetle.