On animation and Diazotization of Azulene and Its Derivatives

• Autorzy: Mąkosza M. , Osiński P. W. , Ostrowski S.
• Języki publikacji: EN

Abstrakty

EN

A practical procedure for synthesis of 6-aminoazulene (3) via Vicarious Nucleophilic Substitution of Hydrogen (VNS) amination of azulene with 4-amino-1,2,4-triazole is reported. Amination with use of N,N,N-trimethylhydrazinium iodide (TMHI) of more electrophilic azulene derivatives, substituted at position 1- with CN or COPh group, afforded a mixture of 4-, 6-, and 8-aminoazulenes. Attempts to convert 6-aminoazulene (3) into diazonium salt failed, only formation of small quantities of the "auto-coupling" product, 1-(azulen-6-ylazo)-azulen-6-yl-amine, was observed.

Słowa kluczowe

EN

azulene derivatives; animation; vicarious nucleophilic substitution; diazotization

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2001
• Tom: Vol. 75, nr 2
• Strony: 275--281
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Mąkosza M.

• Institute of Organic Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, PL-01-224 Warszawa, Poland

autor

Osiński P. W.

• Institute of Organic Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, PL-01-224 Warszawa, Poland

autor

Ostrowski S.

• Institute of Organic Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, PL-01-224 Warszawa, Poland

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