STUDIES OF NMR AND MS ON 6-OR 8-ALKYL-7-OXY COUMARINS AND DIHYDROFURANOCOUMARINS

Chinese Journal of Magnetic Resonance ›› 1996, Vol. 13 ›› Issue (1): 35-46.

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STUDIES OF NMR AND MS ON 6-OR 8-ALKYL-7-OXY COUMARINS AND DIHYDROFURANOCOUMARINS

Liu Jianghua², Xu Suixu¹, Yao Xinsheng¹, Hisayoshi Kobayashi³

1. Department of Phytochemistry, Shenyang Pharmaceutical University, Shenyang 110032;
2. Department of Phytochemistry, Liaoning College of Traditional Chinese Medicine, Shenyang 110032;
3. Institute of Applied Microbiology, Tokyo University, Japan

Received:1995-01-12 Revised:1995-04-03 Published:1996-02-05 Online:2018-01-17

Abstract

Abstract: Twelve 6-or 8 -alkyl-7 -oxygenated coumarins and eight dihydrofuranocoumarins were isolated from the roots and rhizomes of Angelica pubescens Maximf. biserrata Shan et Yuan. Their spectral analysis (¹H-, ¹³C NMR and MS) were discussed referring to some literature's about such kinds of compounds. Combined withthe technique of 2D NMR, some mistakes about carbon assignment of angelol-typecoumarins in literature were corrected.

Key words: NMR, MS, 6-or 8 -alkyl-7-oxy coumarins, Dihydrofuranocoumarins, Angelol-type coumarins, Angelica pubescens Maxim f. biserrata Shan et Yuan

Liu Jianghua, Xu Suixu, Yao Xinsheng, Hisayoshi Kobayashi. STUDIES OF NMR AND MS ON 6-OR 8-ALKYL-7-OXY COUMARINS AND DIHYDROFURANOCOUMARINS[J]. Chinese Journal of Magnetic Resonance, 1996, 13(1): 35-46.

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STUDIES OF NMR AND MS ON 6-OR 8-ALKYL-7-OXY COUMARINS AND DIHYDROFURANOCOUMARINS

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