the National Natural Science Foundation of China (No.81273387) for the financial support of this research
The normally underused ^1H-^15N HMBC spectra of thirteen C18-diterpenoid alkaloids have been determined for the first time. As a result, the significant effects of the substituents of nitrogen atoms, the conformations...
Project supported by the National Natural Science Foundation of China (No. 20772114) and the Innovation Fund for Outstanding Scholar of Henan Province (No. 0621001100).
An efficient and facile protocol for palladacycle-catalyzed chlorination of 2-arylbenzoxazoles was developed. The results represent the first examples involving the palladacycle as the catalyst for such chlorination. ...