Studies in 1-Aza-1,3-butadienes: Diels-Alder Cycloaddition Reactions of 1,4-Diaryl-1-aza-1,3-butadienes with Aryl Sulphonyl Nitrosites Leading to the Synthesis of New Oxadiazines

Kewal Krishan Singal Department of Chemistry, Punjabi University, Patiala, 147002, INDIA

Baldev Singh Department of Chemistry, Punjabi University, Patiala, 147002, INDIA

Baldev Raj Department of Chemistry, Punjabi University, Patiala, 147002, INDIA

Abstract

1,4-Diaryl-1-aza-1, 3-butadienes (I) undergo a stereospecific 1,4-cycloaddition reaction with aryl sulphonyl nitrosites (II) generated ‘in situ’ by the reaction of aryl sulphinic acid and ethyl nitrite to yield six-membered cycloadducts characterized as 2-aryl sulphonyl-3, 6-diaryl-2H, 3H, 6H-[1, 2, 3] oxadiazine derivatives (III) in good yield.

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Studies in 1-Aza-1,3-butadienes: Diels-Alder Cycloaddition Reactions of 1,4-Diaryl-1-aza-1,3-butadienes with Aryl Sulphonyl Nitrosites Leading to the Synthesis of New Oxadiazines

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Studies in 1-Aza-1,3-butadienes: Diels-Alder Cycloaddition Reactions of 1,4-Diaryl-1-aza-1,3-butadienes with Aryl Sulphonyl Nitrosites Leading to the Synthesis of New Oxadiazines

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