期刊
ORGANIC CHEMISTRY FRONTIERS
卷 3, 期 1, 页码 38-42出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5qo00367a
关键词
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资金
- University of Auckland
- Royal Society of New Zealand
In the presence of 1 mol% of a copper(II) catalyst and air, a readily available N-1-acetyl-N-3-thioacylguanidine undergoes a one-pot benzylic oxidation-oxidative heterocyclization sequence to give the 3-amino-5- acyl-1,2,4-thiadiazole core of polycarpathiamines A (2) and B (3) and thus facilitating the first synthesis of both natural products. This methodology offers a straightforward alternative to the low yielding dipolar cycloaddition used to access 3-amino-5-acyl-1,2,4-thiadiazoles.
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