Refined synthesis of 2, 3, 4, 5-tetrahydro-1, 3, 3-trimethyldipyrrin, a deceptively simple precursor to hydroporphyrins

M Ptaszek, J Bhaumik, HJ Kim…

文献索引：Han, Byung Hee; Shin, Dae Hyun; Cho, Sung Yun Tetrahedron Letters, 1985 , vol. 26, # 50 p. 6233 - 6234

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被引用次数: 39

摘要

... Volume: Page: ... Reaction with alumina under neat conditions also gave no product (entry 5). Replacement of CsF with DBU in refluxing CH 3 CN gave 50% yield (entry 6). Replacing CH 3 CN with THF gave only a trace of product (entries 7 and 8). On the other ...