ScienceJohn Michels (Journalist) 1952 |
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Стр. 131
... prepared and studied , but with one possible exception , none of them has proved to be superior to the parent substance . In 1951 , Freire , Rist , and Grumbach ( 25 ) announced the discovery of FR7 ( phenyl p - aminosalicylate ) , a ...
... prepared and studied , but with one possible exception , none of them has proved to be superior to the parent substance . In 1951 , Freire , Rist , and Grumbach ( 25 ) announced the discovery of FR7 ( phenyl p - aminosalicylate ) , a ...
Стр. 205
... prepared by methods previously described in the literature . N - 5 - phenyl - n - valeroyl phthalimide was prepared by refluxing potassium phthalimide and 5 - phenyl - n - vale- royl chloride in benzene solution , subsequently re ...
... prepared by methods previously described in the literature . N - 5 - phenyl - n - valeroyl phthalimide was prepared by refluxing potassium phthalimide and 5 - phenyl - n - vale- royl chloride in benzene solution , subsequently re ...
Стр. 478
... prepared by heating the barium salts of fatty acids with sodium ethoxide or sodium methoxide showed , by ozonolysis of the product , that the heptadecene - 8 thus prepared from barium oleate was actually a mixture of isomers . No ...
... prepared by heating the barium salts of fatty acids with sodium ethoxide or sodium methoxide showed , by ozonolysis of the product , that the heptadecene - 8 thus prepared from barium oleate was actually a mixture of isomers . No ...
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