2,2′-(1,4-Phenylene)bis(7-nitro-1H-benzimidazole 3-oxide)

Autor:	Fabrizio Politano, Ana K. Gran-Magano, Nicholas E. Leadbeater
Jazyk:	angličtina
Rok vydání:	2021
Předmět:	benzimidazole benzimidazole N-oxide microwave heating two-step one-pot precipitation Inorganic chemistry QD146-197
Zdroj:	Molbank, Vol 2021, Iss 4, p M1297 (2021)
Druh dokumentu:	article
ISSN:	1422-8599
DOI:	10.3390/M1297
Popis:	Bis(benzimidazol-2-yl-3-oxide)benzene derivatives have potential applications as energetic or photoactive materials. By using a two-step one-pot approach employing microwave heating as a tool, 2,2′-(1,4-phenylene)bis(7-nitro-1H-benzimidazole 3-oxide) (1) has been prepared in 94% yield. In the first step an SNAr reaction is performed using p-xylylenediamine as the central building block. Without isolating the intermediate, a base-mediated cyclization reaction follows in the second step. The product was isolated in analytically pure form by means of a pH-controlled precipitation.
Databáze:	Directory of Open Access Journals
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