Intermolecular dipolar cycloadditions between 2-methoxycarbonyl-3-thenylazide (3) and monosubstituted dipolarophiles bearing a triple carbon-carbon bond were exploited in a three step synthesis of the title compounds. The intramolecular cycloaddition of substituted thenylazide (11) was also carried out in the two-step synthesis of the thieno[2,3-f][1,2,3]triazolo[1,5-a]-[1,4]diazepine derivative (8).

Thieno[2,3-f]triazolo[1,5-a][1,4]diazepines and Thieno [2,3-f]triazolo[1,5-a][1,4]oxazepines from Azide Cycloaddition / G. Molteni, P. Del Buttero. - In: HETEROCYCLES. - ISSN 0385-5414. - 78:11(2009), pp. 2837-2844.

Thieno[2,3-f]triazolo[1,5-a][1,4]diazepines and Thieno [2,3-f]triazolo[1,5-a][1,4]oxazepines from Azide Cycloaddition

G. Molteni;P. Del Buttero
2009

Abstract

Intermolecular dipolar cycloadditions between 2-methoxycarbonyl-3-thenylazide (3) and monosubstituted dipolarophiles bearing a triple carbon-carbon bond were exploited in a three step synthesis of the title compounds. The intramolecular cycloaddition of substituted thenylazide (11) was also carried out in the two-step synthesis of the thieno[2,3-f][1,2,3]triazolo[1,5-a]-[1,4]diazepine derivative (8).
1,2,3-Triazole; Acetylenic Dipotarophile; Azide Cycloaddition; Thienotriazolodiazepine; Thienotriazoloxazepine
Settore CHIM/06 - Chimica Organica
2009
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/143601
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