Olin Mathieson Chemical Corp.
Patent: US3056656 , 1962 ;
C. A., 1963 , vol. 58, p. 272
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Olin Mathieson Chemical Corp.
Patent: FR1261824 , 1961 ;
C., 1965 , p. 45-2222
2-mercaptoethanamine in water High Pressure; Sr(CH3COO)2*3H2O, NaOH and 2-aminoethanethiol added into distilled water; stirring for 5 min; soln. transferred into a Teflon-lined stainless-steel autoclave; hydrothermal treatment at 120-180°C for 12 h; product filtered out, washed with distilled water and ethanol in subsequence, and later dried in a vacuum oven at 60°C for 12 h;
sulfonic acid in melt melting sulfonic acids with NaOH, addn. of SO2, separation of phenol or naphthol by distn., filtration of soln., crystn., further product on evapn. of mother-liquor;;
参考文献
Gmelin Handbook: Na: SVol.1, 48, page 207 - 209
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Tyugoku Toyo K. K.
Patent: JP94718 , 1932 ;
C. A., 1933 , p. 1999
