Tandem processes identified from reaction screening: nucleophilic addition to aryl N-phosphinylimines employing La(III)-TFAA activation.

Tandem processes identified from reaction screening: nucleophilic addition to aryl N-phosphinylimines employing La(III)-TFAA activation.
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DOI:
10.1021/ja100346w
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发表时间:
2010-05-12
影响因子:
15
通讯作者:
Porco JA Jr
Porco JA Jr
中科院分区:
化学1区
文献类型:
--
作者:
Kinoshita H;Ingham OJ;Ong WW;Beeler AB;Porco JA Jr

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报道了以三氟乙酸镧为催化剂,三氟乙酸酐(TFAA)为活化剂,对n -二苯基膦胺加成反应的亲核反应伙伴的筛选。许多串联过程导致了新的化学型,包括aza-Prins/分子内Friedel-Crafts环,并进一步研究了反应范围和机制。
Reaction screening of nucleophilic reaction partners for addition to N-diphenylphosphinylimines employing lanthanum (III) triflate as catalyst and trifluoroacetic anhydride (TFAA) as activator is reported. A number of tandem processes leading to novel chemotypes including aza-Prins/intramolecular Friedel-Crafts annulations have been identified and both reaction scope and mechanism further investigated.
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