Chemical constituents of Pseudolarix kaempferi Gord

doi:10.5246/jcps.2012.05.057

Abstract

Abstract:

Phytochemical investigations of Pseudolarix kaempferi Gord led to the isolation of 26 known compounds. They were identified as follows: pseudolaric acid D (1), pseudolaric acid A (2), pseudolaric acid B (3), pseudolaric acid C (4), oleana-∆^11,13(18)-dien-3β-O-acetyl (5), oleana-∆^9(11),12-dien-3β-O-acetyl (6), oleana-∆^11,13(18)-dien-3β-hydroxyl (7), oleana-∆^9(11),12-dien-3β-hydroxyl (8), celangulatin C (9), celangulatin E (10), 17β-tenacigenin B (11), 11α-O-2-methyl butyryl-12β-O-acetyl tenacigenin B (12), 11α-O-2-methyl butyryl-12β-O-tigloyl tenacigenin B (13), β-sitosterol acetate (14), umbelliferone (15), 5,7-dihydroxyl coumarin (16), xanthotoxin (17), isopimpinellin (18), formononetin (19), calycosin (20), cnidimol B (21), thymine (22), 3-furoic acid (23), 2-furoic acid (24), vanillic acid (25), protocatechuic acid (26). Compounds 5–24 were isolated from P. kaempferi for the first time. And the ¹H and ¹³C NMR spectra of compound 1 were completely assigned for the first time.

Key words: Pseudolarix kaempferi Gord, Cortex Pseudolaricis, Chemical constituents

CLC Number:

R284

Supporting:

Tianzhi Cai, Wen Qi, Lianmei Yang, Guangzhong Tu, Rong Yang, Kehui Xie, Hongzheng Fu^*. Chemical constituents of Pseudolarix kaempferi Gord [J]. , DOI: 10.5246/jcps.2012.05.057.

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