Title: Methoxyallenes as Components in Diels‐Alder Reactions with Inverse Electron Demand: Synthesis of 6<i>H</i>‐1,2‐Oxazines
Abstract:The cycloadditions of nitrosoalkenes 1 to methoxyallene 2 are examples of the until now unusual Diels-Alder reactions with inverse electron demand involving donor-substituted allenes. The regioselecti...The cycloadditions of nitrosoalkenes 1 to methoxyallene 2 are examples of the until now unusual Diels-Alder reactions with inverse electron demand involving donor-substituted allenes. The regioselectively formed 1,2-oxazine derivatives 3 and 4 are starting materials for the synthesis of further heterocycles. R = Ph, CO2Et, CF3; R′ = H, CH(OH)Me, C(OH)Me2.Read More
Publication Year: 1988
Publication Date: 1988-11-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 48
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