Journal of the Chemical SocietyThe Society., 1948 |
From inside the book
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Page 1170
... Diazotised w - Halogeno - o - aminoacetophenones . By K. SCHOFIELD and J. C. E. SIMPSON . The synthesis of 3 - halogeno - 4 - hydroxycinnolines by cyclisation of diazotised w - halogeno - o- aminoacetophenones , and various concomitant ...
... Diazotised w - Halogeno - o - aminoacetophenones . By K. SCHOFIELD and J. C. E. SIMPSON . The synthesis of 3 - halogeno - 4 - hydroxycinnolines by cyclisation of diazotised w - halogeno - o- aminoacetophenones , and various concomitant ...
Page 1174
... diazotisation in sulphuric acid . Diazotisation of 5 - Chloro - w - bromo - 2 - aminoacetophenone .- ( a ) A solution of the amine ( 0-93 g . ) in acetic acid ( 9 c.c. ) and concentrated sulphuric acid ( 4-5 c.c. ) was diazotised ...
... diazotisation in sulphuric acid . Diazotisation of 5 - Chloro - w - bromo - 2 - aminoacetophenone .- ( a ) A solution of the amine ( 0-93 g . ) in acetic acid ( 9 c.c. ) and concentrated sulphuric acid ( 4-5 c.c. ) was diazotised ...
Page 1513
... diazotised in concentrated aqueous acid medium but which form diazo - oxides in neutral solution , the technique of Part II for obtaining the cobaltinitrite complex is applicable . Where the amine cannot be diazotised in aqueous medium ...
... diazotised in concentrated aqueous acid medium but which form diazo - oxides in neutral solution , the technique of Part II for obtaining the cobaltinitrite complex is applicable . Where the amine cannot be diazotised in aqueous medium ...
Contents
acetic acid | 963 |
The isolated base 2 5 g m p 125 with frothing was readily soluble in most organic solvents | 6 |
addition of zinc dust 0 2 g during 15 minutes followed by heating on the steambath for hour | 114 |
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Common terms and phrases
4-trimethyl absorption acetic anhydride acetone acetyl added alcohol alkaline Amer amine ammonia atoms bands benzaldehyde benzene boiling bromine Calc carbon CHâ‚‚ Chem chloroform colourless needles compound concentrated hydrochloric acid condensation cooled crystallised crystals D.Sc decomp derivative diazotised dilute dissolved distilled dried electrons energy equiv ester ethanol ether ethyl acetate evaporated experimental extracted filtered filtrate formation formed Found fraction gave give glacial acetic acid heated hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodine isolated ketone light petroleum m. p. and mixed method methyl mixed m. p. mixture molecular molecule nitrogen obtained orbitals oxidation polysaccharide potassium hydroxide precipitated prepared prisms proflavine pyridine reaction refluxed removed requires residue resonance room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure substance sulphate sulphuric acid surface vacuum values washed yellow needles yield