Bulletin of the Chemical Society of Japan p. 2044 - 2046 (1986)
Update date:2022-09-26
Topics:
Miyano, Sotaro
Okada, Shin-ichi
Suzuki, Toshiyuki
Handa, Shigeru
Hashimoto, Harukichi
Four 1,1'-binaphtyl-2-carboxylic acids were obtained in 38-53 percent isolated yield via three-stage oxidation of 2-methyl-1,1'-binaphtyls, that is, i) NBS-bromination to benzylic bromides, ii) treatment with sodium salt of 2-nitropropane to aldehydes, and iii) KMnO4-oxidation to carboxylic acids.
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