Modular isoquinoline synthesis using catalytic enolate arylation and in situ functionalization.

Modular isoquinoline synthesis using catalytic enolate arylation and in situ functionalization.
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DOI:
10.1021/ol4030309
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发表时间:
2013-12-20
期刊:
影响因子:
5.2
通讯作者:
Donohoe, Timothy J.
Donohoe, Timothy J.
中科院分区:
化学1区
文献类型:
--
作者:
Pilgrim, Ben S.;Gotland, Alice E.;McTernan, Charlie T.;Procopiou, Panayiotis A.;Donohoe, Timothy J.

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A methyl ketone, an aryl bromide, an electrophile, and ammonium chloride were combined in a four-component, three-step, and one-pot coupling procedure to furnish substituted isoquinolines in overall yields of up to 80%. This protocol utilizes the palladium catalyzed α-arylation reaction of an enolate, followed by in situ trapping with an electrophile, and aromatization with ammonium chloride. tert-Butyl cyanoacetate participated in a similar protocol; after functionalization and decarboxylation, 3-amino-4-alkyl isoquinolines were prepared in high yield.
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期刊: ORGANIC LETTERS
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