<正>Current strategies for anti-HIV chemotherapy involve inhibition of virus adsorption,virus-cell fusion, reve...
Zhi-Xiang Xie State Key Laboratory of Applied Organic Chemistry,College of Chemistry and Chemical Engineering, Lanzhou University,Lanzhou,730000,P.R.China
A facile and improved route for the synthesis of the orally active spiroindoline-based growth hormone secretagogue, MK-677 was described. The key step adopted the Fischer indole/reduction strategy. The preparation of the key intermediates N-protected piperidine carboxaldehyde 5 and the N-Boc-O-benzyl-D-serine (2) are also optimized.
Xian Liang Qi Er Qun Yang Jun Tao Zhang Tao Wang Xiao Ping Cao