A facile synthesis of methyl 5-amino-6-chloro-2h-1-benzopyran-8-carboxylate derivatives

DOI: 10.3987/COM-98-8294

Source and publish data:

Heterocycles p. 2611 - 2619 (1998)

Update date:2022-08-02

Topics:

Authors:

Kakigami, Takuji

Baba, Kunihisa

Usui, Toshinao

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Article abstract of DOI:10.3987/COM-98-8294

Methyl 6-chloro-5-pivaloylamino-2H-1-benzopyran-8-carboxylate (4d) was prepared in good yield as a result of the thermal cylcization of methyl 5-chloro-4-pivaloylamino-2-propargyloxybenzoate (3d) using N,N-diethylaniline as a solvent.

Full text of DOI:10.3987/COM-98-8294

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