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A concise synthesis of monoazaporphyrin from 1,19-dideoxybiladiene-ac

✍ Scribed by Saburo Neya; Takuya Sato; Tyuji Hoshino


Book ID
104094975
Publisher
Elsevier Science
Year
2008
Tongue
French
Weight
95 KB
Volume
49
Category
Article
ISSN
0040-4039

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✦ Synopsis


1,19-Dideoxybiladiene-ac was found to be cyclized into monoazaporphyrin in 18-33% yield in the presence of iodine/potassium iodide mixture and ammonium hydroxide or sodium azide as the nitrogen source. The synthesis circumvents the tedious preparation of 1,19-dibromobiladiene-ac for monoazaporphyrin.


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