Citation: Yun Xing CHENG, Wei Shan ZHOU. STUDY ON THE SYNTHESIS OF TETRACYCLIC DITERPENOID 7 Preparation of the Key Intermediate 5 for the Synthesis of Grandiflorenic Acid and its Analogues[J]. Chinese Chemical Letters, ;1993, 4(4): 291-294. shu

STUDY ON THE SYNTHESIS OF TETRACYCLIC DITERPENOID 7 Preparation of the Key Intermediate 5 for the Synthesis of Grandiflorenic Acid and its Analogues

Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032

Received Date: 27 October 1992

Fund Project: This investigation was supported by National Foundation of Natural Sciences of China.

The key intermediate 5 for synthesis of the contragestationally active diterpenoid grandiflorenic acid (1) and its analogues 2 and 3 was prepared and an acetyl transposition reaction occurred in the SeO² oxidation of 8.
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