Journal of the Chemical SocietyThe Society., 1955 |
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Page 1235
... stirred for 2 hr . The precipitate was dissolved in chlorobenzene , and the solution washed with aqueous sodium ... stirred solution of sodium nitrite ( 1 g . ) in concentrated sulphuric acid ( 7 ml . ) and after 1 hour's stirring the ...
... stirred for 2 hr . The precipitate was dissolved in chlorobenzene , and the solution washed with aqueous sodium ... stirred solution of sodium nitrite ( 1 g . ) in concentrated sulphuric acid ( 7 ml . ) and after 1 hour's stirring the ...
Page 1236
... stirred solution of sodium nitrite ( 1 g . ) in concentrated sulphuric acid ( 7 ml . ) at 20 ° . The mixture was stirred ( 1 hr . ) . Ethanol ( 10 ml . ) and copper bronze ( trace ) were added and the mixture was gently heated until the ...
... stirred solution of sodium nitrite ( 1 g . ) in concentrated sulphuric acid ( 7 ml . ) at 20 ° . The mixture was stirred ( 1 hr . ) . Ethanol ( 10 ml . ) and copper bronze ( trace ) were added and the mixture was gently heated until the ...
Page 1502
... Stirring was then continued for 1-1 hr . , and more acetone added if necessary , to redissolve any solid which tended to separate . Air was now drawn over the surface of the stirred solution to remove most of the acetone , and the ...
... Stirring was then continued for 1-1 hr . , and more acetone added if necessary , to redissolve any solid which tended to separate . Air was now drawn over the surface of the stirred solution to remove most of the acetone , and the ...
Contents
By F SMITH and LILIAN M TURTON | 1045 |
The Constitution of Homolycorine and Lycorenine | 1066 |
The Photolysis of Acetaldehyde Part III The Reaction in the Presence of Nitric | 1076 |
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Common terms and phrases
acetic anhydride acetone acetyl acidified added alcohol alkali Amer ammonia aqueous sodium aqueous solution atom benzene boiling bromine Calc carbon Chem chloride chloroform chromatography colourless compound concentrated cooled crystallised from methanol decomp derivative dilute dimethyl dioxan dissolved distillation dried eluted ester ethanol evaporated EXPERIMENTAL filtered filtrate formed Found fraction gave give glacial acetic acid H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed method methyl mixed m. p. mixture molecule naphthazarin nitric oxide nitrogen obtained oxide pale yellow picrylsulphonate potassium hydroxide precipitate prepared prisms pyridine reaction reduced pressure refluxed removed Reprint Order requires residue ring room temperature salt separated sodium hydroxide solid soluble solvent steam-bath stirred structure sulphide sulphone sulphuric acid titration values vouacapenate washed yellow needles yield