A new method for the preparation of substituted 5,6,7,8-tetrahydro-4H-I-benzopyran and 4H-pyrans by vilsmeier -haack reagent

DOI: 10.1016/S0040-4039(00)79732-2

Source and publish data:

Tetrahedron Letters p. 3235 - 3238 (1991)

Update date:2022-07-29

Topics:

Authors:

Venugopal

Umarani Umarani

Perumal Perumal

Rajadurai

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Article abstract of DOI:10.1016/S0040-4039(00)79732-2

Substituted 5,6,7,8-tetrahydrO-4H-1-benzopyran and 4H-pyran derivatives were synthesized from their corresponding substituted 1,5 diketones with vilsmeier haack reagent in moderate yields.

Full text of DOI:10.1016/S0040-4039(00)79732-2

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Product name:2,4-Diphenyl-5,6,7,8-tetrahydro-4H-chromene-3-carbaldehyde

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