Nucleophilic substitution of oxazino-/oxazolino-/benzoxazin [3,2-b]indazoles: an effective route to 1H-indazolones.
Nucleophilic substitution of oxazino-/oxazolino-/benzoxazin [3,2-b]indazoles: an effective route to 1H-indazolones.
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DOI:
10.1021/ol100751n
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发表时间:
2010-06-04
期刊:
影响因子:
5.2
通讯作者:
Kurth, Mark J.
中科院分区:
文献类型:
--
作者:
Donald, Michael B.;Conrad, Wayne E.;Oakdale, James S.;Butler, Jeffrey D.;Haddadin, Makhluf J.;Kurth, Mark J.
A variety of nucleophiles – thiolates, alkoxides, amines, iodide, and cyanide – react with oxazino-, oxazolino-, and benzoxazin[3,2-b]indazoles under microwave conditions to yield a diverse set of 2-substituted 1 H-indazolones. The synthetic utility of these indazoles is further demonstrated by ANRORC (Addition of the Nucleophile, Ring Opening, and Ring Closure) reactions to yield isomeric pyrazoloindazolones by a process wherein iodide acts first as a nucleophile and subsequently as a leaving group.
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