Purdie
Chemische Berichte, 1887 , vol. 20, p. 1555
Journal of the Chemical Society, 1887 , vol. 51, p. 629
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Pfannl
Monatshefte fuer Chemie, 1910 , vol. 31, p. 313
Monatshefte fuer Chemie, 1911 , vol. 32, p. 512
1: With sodium in ethanol T=0 - 80°C; 1.75 h; 2: With sulfuric acid in ethanol; water T=15 - 25°C; pH=2;
参考文献
Piotrowski, David W.; Rogers, Bruce N.; McWhorter JR., William W.; Walker, Daniel Patrick; Corbett, Jeffrey W.; Groppi JR., Vincent E.; Rudmann, Daniel G.
Patent: US2003/236287 A1, 2003 ;
Location in patent: Page 45, 46 ;
US 20030236287 A1