Synthesis of o-dimethylene isoxazole via isoxazole-fused 3-sulfolene

DOI: 10.1016/S0040-4039(00)74736-8

Source and publish data:

Tetrahedron Letters p. 8121 - 8124 (1992)

Update date:2022-09-26

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Authors:

Chou, Ta-Shue

Chang, Ruei-Chih

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Article abstract of DOI:10.1016/S0040-4039(00)74736-8

Isoxazole-fused 3-sulfolene 12 has been synthesized from the readily available starting material 7 in three steps. Heating compound 12 at 160-180°C generates o-dimethylene isoxazole 6b which undergoes smooth cycloaddition reactions.

Full text of DOI:10.1016/S0040-4039(00)74736-8

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