Journal of the Chemical SocietyThe Society., 1955 |
From inside the book
Results 1-3 of 70
Page 1146
... ring arrangements as cis- and trans - rings . A point of particular interest is that if , in ( I ) , ring B is cis with the oxygen adjacent to the CH - group above the plane of the aromatic portion , then position 3 is virtually ...
... ring arrangements as cis- and trans - rings . A point of particular interest is that if , in ( I ) , ring B is cis with the oxygen adjacent to the CH - group above the plane of the aromatic portion , then position 3 is virtually ...
Page 1168
... ring was wetted by water before meeting the lecithin sol , as in the plate - pull type of cell , no surface forces could be measured . It was therefore necessary to devise a method of boundary formation such that the ring was initially ...
... ring was wetted by water before meeting the lecithin sol , as in the plate - pull type of cell , no surface forces could be measured . It was therefore necessary to devise a method of boundary formation such that the ring was initially ...
Page 1260
... ring in the alcohol derivative , enabled us to interpret the early electron- density maps and facilitated the final ... ring to the larger ring is established ; and the hydrogen atom attached to C ( 5 ) , although not resolved on the ...
... ring in the alcohol derivative , enabled us to interpret the early electron- density maps and facilitated the final ... ring to the larger ring is established ; and the hydrogen atom attached to C ( 5 ) , although not resolved on 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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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