The invention discloses a synthesis method of an aurone compound. The synthesis method comprises the following steps of (1) uniformly stirring phenylacetylene and a phenylacetylene derivative, slowly dripping n-butyllithium, reacting for 30min, and drippi
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Paragraph 0060-0062
(2017/07/12)
Regioselective synthesis of tetrasubstituted pyrroles by 1,3-dipolar cycloaddition and spontaneous decarboxylation
We developed a novel regioselective synthesis of tetrasubstituted pyrroles via the classic 1,3-dipolar cycloaddition of α,β-unsaturated benzofuran-3(2H)-one and azlactones (1) followed by spontaneous decarboxylation. The complete regiochemical control of tetrasubstituted pyrroles was confirmed by the orthogonal synthesis of complementary regioisomers (7a and 7b) simply by using different azlactones (1a and 1b, respectively).
Kim, Yongju,Kim, Jonghoon,Park, Seung Bum
supporting information; experimental part
p. 17 - 20
(2009/08/07)
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