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Communication | Regular issue | Vol 16, No. 6, 1981, pp.955-958
Published online, 1st January, 1970
DOI: 10.3987/R-1981-06-0955
A Convenient Synthesis of 2,2-Dimethylchromenes from 2,2-Dimethylchromanones

Masao Tsukayama,* Tsukasa Sakamoto, Tokunaru Horie, Mitsuo Masumura, and Mitsuru Nakayama

*Department of Chemical Science and Technology, Faculty of Engineering, University of Tokushima, Minamijosanjima-cho, Tokushima 770-8506, Japan


2,2-Dimethylchromanones were very easily reduced to the corresponding alcohols by sodiun borohydride-palladium chloride, and the alcohols were converted into the corresponding 2,2-dimethylchromenes by dehydration with potassium hydrogen-sulfate in high yields based on 2,2-dimethylchromanones.