Palladium-catalyzed aza-Wittig-type condensation of isoxazol-5(4H)-ones with aldehydes.

Palladium-catalyzed aza-Wittig-type condensation of isoxazol-5(4H)-ones with aldehydes.
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DOI:
10.1002/chem.201304211
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发表时间:
2014-02
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通讯作者:
K. Okamoto;Takuya Shimbayashi;Eisuke Tamura;K. Ohe
K. Okamoto;Takuya Shimbayashi;Eisuke Tamura;K. Ohe
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文献类型:
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作者:
K. Okamoto;Takuya Shimbayashi;Eisuke Tamura;K. Ohe

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本文介绍了钯催化异恶唑-5(4h)- 1与羰基化合物在PPh3存在下的分子间和分子内脱羧缩合反应,以中高收率得到各种2-阿扎布塔-1,3-二烯或吡咯。
This paper describes the development of a palladium-catalyzed decarboxylative inter- and intramolecular condensation reaction of isoxazol-5(4 H)-ones with carbonyl compounds in the presence of PPh3 , giving various 2-azabuta-1,3-dienes or pyrroles in moderate to high yields.