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A simple and convenient method has been developed to prepare sulfates of anabolic 17 beta-hydroxy-17 alpha-methyl steroids. The sulfates of methandienone, 17 alpha-methyltestosterone, mestanolone, oxandrolone, and stanozolol were prepared. Different A-ring functions were not affected under the sulfation condition. The buffered hydrolyses of these sulfates provided the 17-epimers of the original steroids and 17,17-dimethyl-18-nor-13(14)-ene steroids, presumably via the 17-carbocations. 相似文献
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Symposium on immunosuppressive drugs. Immunosuppressive drugs. I 总被引:13,自引:0,他引:13
G W Santos 《Federation proceedings》1967,26(3):907-913
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R Schwartz 《Federation proceedings》1967,26(3):914-917
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W. R. Bartle 《CMAJ》1976,115(4):332-333
Pharmaceutical manufacturers producing or distributing drugs in Canada were surveyed between December 1974 and March 1975 to determine which of their products contained tartrazine, a pyrazole aniline dye. A list of some 580 drug products of the 156 manufacturers who responded is presented for aid in managing the tartrazine-sensitive patients. 相似文献
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