Novel spiroannulated 3-benzofuranones. Synthesis and inhibition of the human peptidyl prolyl cis/trans isomerase Pin1

新型螺环化 3-苯并呋喃酮。人类肽基脯氨酰顺/反异构酶 Pin1 的合成和抑制

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作者:Manfred Braun, Anahita Hessamian-Alinejad, Boris Féaux de Lacroix, Birte Hernandez Alvarez, Gunter Fischer

Abstract

The novel 3H-spiro[1-benzofuran-2-cyclopentan]-3-one skeleton has been made accessible by different routes. One- and two-step protocols lead to tricyclic and tetracyclic benzofuranones 2 and 3, respectively. A four-step synthesis to spirocompound 4 is described. The novel spirocyclic benzofuranones display modest to no inhibition of the human peptidyl prolyl cis/trans isomerase Pin1.

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