e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
The Journal of Organic Chemistry
Cyclopentanoid synthesis via the intramolecular trapping of oxy-Cope intermediates. Stereocontrolled synthesis of the cis-and trans-hydroazulene skeleton
M Sworin, KC Lin
Index: Sworin, Michael; Lin, Ko-Chung Journal of Organic Chemistry, 1987 , vol. 52, # 25 p. 5640 - 5642
Sir: The hydroazulene ring system constitutes the fun- damental carbocyclic skeleton observed in the guaianolide and pseudoguaianolide group of sesquiterpene lactones.' Considerable interest in these lactones has developed since the discovery that many members of this group possess