引用本文:
Qing Chao Liu, Tian Tian Guo, Zheng Fan, Dong Li, Wen Hong Li. First total synthesis of two new heterocyclic compounds:Bretschneiderazines A and B[J]. Chinese Chemical Letters,
2011, 22(7): 801-803.
doi:
10.1016/j.cclet.2010.11.036
Citation: Qing Chao Liu, Tian Tian Guo, Zheng Fan, Dong Li, Wen Hong Li. First total synthesis of two new heterocyclic compounds:Bretschneiderazines A and B[J]. Chinese Chemical Letters, 2011, 22(7): 801-803. doi: 10.1016/j.cclet.2010.11.036
Citation: Qing Chao Liu, Tian Tian Guo, Zheng Fan, Dong Li, Wen Hong Li. First total synthesis of two new heterocyclic compounds:Bretschneiderazines A and B[J]. Chinese Chemical Letters, 2011, 22(7): 801-803. doi: 10.1016/j.cclet.2010.11.036
First total synthesis of two new heterocyclic compounds:Bretschneiderazines A and B
摘要:
Facile synthesis of the two new natural heterocyclic compounds bretschneiderazines A (2) and B (3), isolated from an extract of the stems of Bretschneidera sinensis, is reported. We employed the cyclization reaction of benzamide by directed lithiation and sequential treatment with sulfur and phosgene as key steps. All new compounds have been fully characterized by means of IR, 1H NMR, 13C NMR, and HRMS.
English
First total synthesis of two new heterocyclic compounds:Bretschneiderazines A and B
Abstract:
Facile synthesis of the two new natural heterocyclic compounds bretschneiderazines A (2) and B (3), isolated from an extract of the stems of Bretschneidera sinensis, is reported. We employed the cyclization reaction of benzamide by directed lithiation and sequential treatment with sulfur and phosgene as key steps. All new compounds have been fully characterized by means of IR, 1H NMR, 13C NMR, and HRMS.
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Key words:
- Heterocyclic compounds
- / Bretschneiderazines
- / Directed lithiation
- / Synthesis
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