1: With tert-butyl methyl ether; nitric acid in tetrahydrofuran T=0°C; 2: With sulfuric acid in dichloromethane T=0°C; 1 h; Further stages. Title compound not separated from byproducts.;
参考文献
Hewitt; King
Journal of the Chemical Society, 1926 , p. 822
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Newbery; Phillips
Journal of the Chemical Society, 1928 , p. 121