STUDY ON DEHYDRATION MECHANISM OF TANSHINONES IN MASS SPECTRAL FRAGMENTATION

STUDY ON DEHYDRATION MECHANISM OF TANSHINONES IN MASS SPECTRAL FRAGMENTATION[J]. Journal of China Pharmaceutical University, 1988, (3): 197-200.

Citation:

STUDY ON DEHYDRATION MECHANISM OF TANSHINONES IN MASS SPECTRAL FRAGMENTATION[J]. Journal of China Pharmaceutical University, 1988, (3): 197-200.

Citation:

STUDY ON DEHYDRATION MECHANISM OF TANSHINONES IN MASS SPECTRAL FRAGMENTATION[J]. Journal of China Pharmaceutical University, 1988, (3): 197-200.

Abstract

Several new diterpenequinones isolated from Salvia miltiorrhiza and S. przewalskii were examined by mass spectroscopy. It was found that ring A of tanshinones is essential to the loss of H_2O during the fragmentation process of these compounds. Hydrogen a

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