Synthesis and properties of 5-diazoimidazoles and imidazolyl-5-diazonium salts / Sadchikova E.V., Mokrushin V.S. // Russian Chemical Bulletin. - 2003. - V. 52, l. 7. - P. 1600-1605.

ISSN:
10665285
Type:
Article
Abstract:
Diazotization of 4-R-5-aminoimidazoles (R = CONHAr, CONHAIk, morpholinocarbonyl, or piperidinocarbonyl) with sodium nitrite in aqueous solutions of mineral acids afforded the corresponding 5-diazoimidazoles, whereas the reactions in concentrated tetrafluoroboric acid produced imidazolyl-5-diazonium salts. In the solid phase, diazonium salts are transformed into the corresponding diazo compounds.
Author keywords:
3,7-dihydroimidazo[4,5-d]-1,2,3-triazin-4-ones; 5-diazoimidazoles; Diazotization; Imidazolyl-5-diazonium salts; Nitrosoamines
Index keywords:
boric acid; diazonium compound; inorganic acid; pyrrole derivative; sodium nitrite; aqueous solution; article; chemical analysis; chemical structure; reaction analysis; structure analysis; synthesis
DOI:
10.1023/A:1025605512301
Смотреть в Scopus:
https://www.scopus.com/inward/record.uri?eid=2-s2.0-1642450684&doi=10.1023%2fA%3a1025605512301&partnerID=40&md5=769a5d23434eb6c1cbffbdc2a48afd11
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Link https://www.scopus.com/inward/record.uri?eid=2-s2.0-1642450684&doi=10.1023%2fA%3a1025605512301&partnerID=40&md5=769a5d23434eb6c1cbffbdc2a48afd11
Affiliations Ural State Technical University, 19 ul. Mira, 620002 Ekaterinburg, Russian Federation
Author Keywords 3,7-dihydroimidazo[4,5-d]-1,2,3-triazin-4-ones; 5-diazoimidazoles; Diazotization; Imidazolyl-5-diazonium salts; Nitrosoamines
Chemicals/CAS boric acid, 10043-35-3, 11113-50-1, 11129-12-7, 14213-97-9; sodium nitrite, 7632-00-0
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Correspondence Address Sadchikova, E.V.; Ural State Technical University, 19 ul. Mira, 620002 Ekaterinburg, Russian Federation; email: seb@htf.ustu.ru
Language of Original Document English
Abbreviated Source Title Russ. Chem. Bull.
Source Scopus