期刊
RSC ADVANCES
卷 5, 期 76, 页码 61575-61579出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra10928k
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资金
- Department of Chemistry, JNTU, Hyderabad, India
A remarkably rapid but microwave/ultrasound/catalyst-free method has been developed for the construction of a quinazolin-4(3H)-one ring using formamide as an efficient ammonia precursor and PEG-400 as an effective solvent. The methodology afforded various 2-substituted quinazolin-4(3H)-one derivatives in good yield via a three-component reaction of isatoic anhydride, aldehydes and formamide in air. This singlemethodology was extended successfully to the synthesis of several alkaloids e.g. leutonin B and E, bouchardatine and 8-norrutaecarpine.
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