Acknowledgement This work was financially supported by National Natural Science Foundation of China (No. 20802070) and the research foundation from Key Laboratory of Synthetic Organic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry (CAS). We thank Professor Ran Hong at SIOC for helpful discus- sions.
3-Aryl-l,2,4-benzotriazines were conveniently prepared in moderate to good yields from 1,1-bis(benzotriazol-1- yl)methylarenes with allylsamarium bromide/hexamethylphosphramide (allylSmBr/HMPA). Preliminary result...
The Passerini 3-CR adducts of substituted cinnamaldehydes,isocyanides and acetic acid were treated with SmI2/HMPA in dry tetrahydrofuran(THF) at room temperature,andβ,γ-unsaturated amides were obtained in moderate...
Project supported by the Major State Basic Research Development Program (No. 1999064801); the National Natural Science Foundation of China (No. 20254001) and Zhejiang Provincial Natural Science Foundation.
Copolymerization of styrene (St) and isoprene (IP) was carried out with a catalyst system composed of anhydrous lanthanide chloride hexamethyl phosphoramide complex (LnCl3HMPA) and aluminum organic compound (AOC). Amo...