New Synthetic Routes to Furans and Dihydrofurans from 1-Propargylbenzotriazole

DOI: 10.1021/jo00063a022

Source and publish data:

Journal of Organic Chemistry p. 3038 - 3041 (1993)

Update date:2022-09-26

Topics:

Authors:

Katritzky, Alan R.

Li, Jianqing

Gordeev, Mikhail F.

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Article abstract of DOI:10.1021/jo00063a022

Base-assisted cyclizations of 1-<3-propargyl>benzotriazoles, derived from lithiated 1-propargylbenzotriazole (1) and aromatic aldehydes or ketones, gave 2-arylfurans 5 or 1-(5,5-diaryl-2,5-dihydrofuran-2-yl)benzotriazoles 7, respectively, in high yields.Compounds 7 with Grignard reagents yielded trisubstituted 2,5-dihydrofurans 9.

Full text of DOI:10.1021/jo00063a022

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