引用本文:
Wei Lai, Ying Bo Yang, Xia Li, Lian Na Sun, Zhi Jun Wu, Wan Sheng Chen. New steroidal sapogenins from the acid hydrolysis product of the whole glycoside mixture of Welsh onion seeds[J]. Chinese Chemical Letters,
2012, 23(2): 193-196.
doi:
10.1016/j.cclet.2011.11.014
Citation: Wei Lai, Ying Bo Yang, Xia Li, Lian Na Sun, Zhi Jun Wu, Wan Sheng Chen. New steroidal sapogenins from the acid hydrolysis product of the whole glycoside mixture of Welsh onion seeds[J]. Chinese Chemical Letters, 2012, 23(2): 193-196. doi: 10.1016/j.cclet.2011.11.014
Citation: Wei Lai, Ying Bo Yang, Xia Li, Lian Na Sun, Zhi Jun Wu, Wan Sheng Chen. New steroidal sapogenins from the acid hydrolysis product of the whole glycoside mixture of Welsh onion seeds[J]. Chinese Chemical Letters, 2012, 23(2): 193-196. doi: 10.1016/j.cclet.2011.11.014
New steroidal sapogenins from the acid hydrolysis product of the whole glycoside mixture of Welsh onion seeds
摘要:
Two new steroidal sapogenins (1, 2) along with five known steroidal sapogenins were isolated from the acid hydrolysis product of the whole glycoside mixture of Welsh onion (Allium fistulosum L.) seeds. Based on comprehensive spectroscopic analyses, including 2D NMR spectroscopy and mass spectrometry, their structures were elucidated as (25R)-19-norspirosta-1, 3, 5 (10)-triene-4-methyl-2-ol (1), (25R)-spirost-1, 4-diene-3-one-2, 6-diol (2), (25R)-spirost-1, 4-diene-3-one-2-ol (3), (25R)-spirost-4-ene-3-one-2-ol (4), yuccagenin (5), gitogenin (6) and tigogenin (7).
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关键词:
- Steroidal sapogenin
- / Welsh onion
English
New steroidal sapogenins from the acid hydrolysis product of the whole glycoside mixture of Welsh onion seeds
Abstract:
Two new steroidal sapogenins (1, 2) along with five known steroidal sapogenins were isolated from the acid hydrolysis product of the whole glycoside mixture of Welsh onion (Allium fistulosum L.) seeds. Based on comprehensive spectroscopic analyses, including 2D NMR spectroscopy and mass spectrometry, their structures were elucidated as (25R)-19-norspirosta-1, 3, 5 (10)-triene-4-methyl-2-ol (1), (25R)-spirost-1, 4-diene-3-one-2, 6-diol (2), (25R)-spirost-1, 4-diene-3-one-2-ol (3), (25R)-spirost-4-ene-3-one-2-ol (4), yuccagenin (5), gitogenin (6) and tigogenin (7).
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Key words:
- Steroidal sapogenin
- / Welsh onion
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