6-(2-Nitrostyryl)pyran-2-ones 3 are converted into 6-(indol-2-yl)pyran-2-ones 4 by reduction of the nitro group with triethyl phosphite and consequent addition of the nitrene intermediate to the styryl double bond. Compounds 4 undergo a rather unusual, base-catalysed, rearrangement leading to azepino[1,2-a] indol-6-ones 5.

α-Pyrones. Part 4. synthesis of 3-benzoylamino-6-(indol- 2-yl)pyran-2-ones and their rearrangement to substituted azepino[1,2-a]indole-6- ones: Unusual neighbouring group participation / M.L. Gelmi, D. Pocar, F. Vago. - In: JOURNAL OF THE CHEMICAL SOCIETY. PERKIN TRANSACTIONS. I. - ISSN 0300-922X. - :8(1993), pp. 969-973.

α-Pyrones. Part 4. synthesis of 3-benzoylamino-6-(indol- 2-yl)pyran-2-ones and their rearrangement to substituted azepino[1,2-a]indole-6- ones: Unusual neighbouring group participation

M.L. Gelmi
Primo
;
D. Pocar
Secondo
;
1993

Abstract

6-(2-Nitrostyryl)pyran-2-ones 3 are converted into 6-(indol-2-yl)pyran-2-ones 4 by reduction of the nitro group with triethyl phosphite and consequent addition of the nitrene intermediate to the styryl double bond. Compounds 4 undergo a rather unusual, base-catalysed, rearrangement leading to azepino[1,2-a] indol-6-ones 5.
English
Settore CHIM/06 - Chimica Organica
Articolo
Esperti anonimi
1993
8
969
973
Pubblicato
Periodico con rilevanza internazionale
info:eu-repo/semantics/article
α-Pyrones. Part 4. synthesis of 3-benzoylamino-6-(indol- 2-yl)pyran-2-ones and their rearrangement to substituted azepino[1,2-a]indole-6- ones: Unusual neighbouring group participation / M.L. Gelmi, D. Pocar, F. Vago. - In: JOURNAL OF THE CHEMICAL SOCIETY. PERKIN TRANSACTIONS. I. - ISSN 0300-922X. - :8(1993), pp. 969-973.
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Prodotti della ricerca::01 - Articolo su periodico
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262
Article (author)
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M.L. Gelmi, D. Pocar, F. Vago
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/182734
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