Palladium-catalyzed dearomatizative [2 + 2 + 1] carboannulation of 1,7-enynes with aryl diazonium salts and H2O: facile synthesis of spirocyclohexadienone-fused cyclopenta[c]quinolin-4(5H)-ones,Chemical Communications

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Palladium-catalyzed dearomatizative [2 + 2 + 1] carboannulation of 1,7-enynes with aryl diazonium salts and H2O: facile synthesis of spirocyclohexadienone-fused cyclopenta[c]quinolin-4(5H)-ones
Chemical Communications ( IF 4.3 ) Pub Date : 2017-07-07 00:00:00 , DOI: 10.1039/c7cc02830j
Yu Liu _{1,

2,

3,

4,

5} , Ren-Jie Song _{1,

2,

3,

4} , Jin-Heng Li _{1,

2,

3,

4,

5}

Affiliation

A new palladium-catalyzed dearomatizative [2 + 2 + 1] carboannulation of 1,7-enynes with aryl diazonium salts and H₂O is presented. The reaction enables the construction of spirocyclohexadienone-fused cyclopenta[c]quinolin-4(5H)-ones through a sequence of Heck-type addition, 6-exo-dig cyclization, ipso-cyclization, dearomatization and hydrolysis.

中文翻译：

钯催化芳烃重氮盐和H ₂ O的1,7-炔烃的芳环化[2 + 2 + 1]碳环化反应：螺环己二烯酮稠合的环戊基[ c ]喹啉4（5 H）-one的简便合成

提出了一种新的钯催化的芳基重氮盐和H ₂ O脱除1,7-烯炔的芳环化[2 + 2 + 1]碳环化反应。该反应使spirocyclohexadienone稠合的环戊二烯的结构[ C ^ ]喹啉-4（5 ħ） -酮通过的Heck型除的序列，6-外切挖环化，本位-cyclization，脱芳构化和水解。

更新日期：2017-07-28

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