Concise Two-Step Solution Phase Syntheses of four novel Dihydroquinazoline scaffolds.

Concise Two-Step Solution Phase Syntheses of four novel Dihydroquinazoline scaffolds.
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DOI:
10.1016/j.tetlet.2010.05.108
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发表时间:
2010-07-28
影响因子:
1.8
通讯作者:
Hulme, Christopher
Hulme, Christopher
中科院分区:
化学4区
文献类型:
--
作者:
Dietrich, Justin;Kaiser, Christine;Meurice, Nathalie;Hulme, Christopher

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报道了用于合成二氢喹唑啉和稠合二氢喹唑啉-苯二氮卓四环化合物的新型两步溶液相方案。该方法采用 Ugi 反应来组装所需的多样性,并通过酸处理实现闭环转化。通过使用微波辐射和正丁基异氰化物来控制每个环形成转化的速率,进一步促进了该方案。
Novel two-step solution phase protocols for the synthesis of dihydroquinazolines and fused dihydroquinazoline-benzodiazepine tetracycles are reported. The methodology employs the Ugi reaction to assemble desired diversity and acid treatment enables ring closing transformations. The protocols are further facilitated by the use of microwave irradiation and n-butyl isocyanide to control the rate of each ring forming transformation.
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