[4 + 2] cycloaddition of in situ generated 1,2-diaza-1,3-dienes with simple olefins: facile approaches to tetrahydropyridazines.

[4 + 2] cycloaddition of in situ generated 1,2-diaza-1,3-dienes with simple olefins: facile approaches to tetrahydropyridazines.
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DOI:
10.1021/acs.orglett.5b00445
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发表时间:
2015-03
期刊:
影响因子:
5.2
通讯作者:
Xingren Zhong;J. Lv;S. Luo
Xingren Zhong;J. Lv;S. Luo
中科院分区:
化学1区
文献类型:
--
作者:
Xingren Zhong;J. Lv;S. Luo

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开发了一种原位生成的1,2-二氮杂-1,3-丁二烯与简单烯烃的无催化剂[4 + 2]成环反应工艺。在温和的条件下,反应得到1,4,5,6-四氢哒嗪,其具有广泛的生物活性化合物,产率高(高达99%)。
A catalyst-free [4 + 2] annulation process between in situ generated 1,2-diaza-1,3-butadienes and simple olefins has been developed. Under mild conditions, the reactions afforded 1,4,5,6-tetrahydropyridazines, which feature a wide range of bioactive compounds, with high yields (up to 99% yield).