Chemical News and Journal of Industrial Science, Tomy 107-108Chemical news office., 1913 |
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Strona 6
... yield desyl - s - diphenylcarbamide ( I. ) . This compound , on treatment with alcoholic hydrogen chloride , loses the elements of water , yielding 1 : 3 : 4 : 5- tetraphenyl - 2 3 - dihydro - 2 - glyoxalone ( II . ) . The reaction has ...
... yield desyl - s - diphenylcarbamide ( I. ) . This compound , on treatment with alcoholic hydrogen chloride , loses the elements of water , yielding 1 : 3 : 4 : 5- tetraphenyl - 2 3 - dihydro - 2 - glyoxalone ( II . ) . The reaction has ...
Strona 7
... yield by the action of potassium permanganate in neutral solution . From the mother - liquors after separation of oxonitin a crystalline bromo - compound was obtained melting above 300 ° . ( Found , C = 409 ; H = 5'4 per cent ) . 299 ...
... yield by the action of potassium permanganate in neutral solution . From the mother - liquors after separation of oxonitin a crystalline bromo - compound was obtained melting above 300 ° . ( Found , C = 409 ; H = 5'4 per cent ) . 299 ...
Strona 12
... yields camphor when it is heated to 350-360 ° in presence of alumina . When camphor is heated in presence of both catalysts a reaction begins to occur at 200 ° , and the chief product is crystalline isocamphane . Borneol also yields ...
... yields camphor when it is heated to 350-360 ° in presence of alumina . When camphor is heated in presence of both catalysts a reaction begins to occur at 200 ° , and the chief product is crystalline isocamphane . Borneol also yields ...
Strona 17
... yields insoluble earth chlorides . The acid may be added either by passing the dry gas into the earth solution or by employing a solution prepared by diluting concentrated aqueous hydrochloric acid with a considerable volume of acetone ...
... yields insoluble earth chlorides . The acid may be added either by passing the dry gas into the earth solution or by employing a solution prepared by diluting concentrated aqueous hydrochloric acid with a considerable volume of acetone ...
Strona 18
... yielding a dark coloured mass which contains considerably more nitrogen than corresponds to the nitric acid and ... yields with the earth solu- tions white precipitates soluble in water . Sanguinarine is readily soluble in acetone and ...
... yielding a dark coloured mass which contains considerably more nitrogen than corresponds to the nitric acid and ... yields with the earth solu- tions white precipitates soluble in water . Sanguinarine is readily soluble in acetone and ...
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