Journal of the Chemical Society, Part 4The Society., 1949 |
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Results 1-3 of 82
Page 2556
... Calc . for C30H500 : C , 84-45 ; H , 11.8 % ) . Acetylation of the alcohol ( 100 mg . ) with acetic anhydride ( 2 ml . ) in pyridine ( 3 ml . ) at room temperature for 72 hours and crystallisation of the product from acetone gave ...
... Calc . for C30H500 : C , 84-45 ; H , 11.8 % ) . Acetylation of the alcohol ( 100 mg . ) with acetic anhydride ( 2 ml . ) in pyridine ( 3 ml . ) at room temperature for 72 hours and crystallisation of the product from acetone gave ...
Page 2715
... H , 5.2 ; N , 4-2 . Calc . for CH1 , ON : C , 85-9 ; H , 5 · 1 ; N , 4 · 2 % ) , not depressed by mixing them with 6 - benzylaminomesobenzanthrone prepared from 6 - iodome sobenzanthrone and benzylamine . Benzylamine and 6-2 ...
... H , 5.2 ; N , 4-2 . Calc . for CH1 , ON : C , 85-9 ; H , 5 · 1 ; N , 4 · 2 % ) , not depressed by mixing them with 6 - benzylaminomesobenzanthrone prepared from 6 - iodome sobenzanthrone and benzylamine . Benzylamine and 6-2 ...
Page 2781
... ( Calc .: 81-8 ) ( Found : C , 68-7 ; H , 10-2 ; CO , determined by hydroxylamine hydrochloride , 9.1 . C17H30O4 requires : C , 68.4 ; H , 10-1 ; CO , 9.4 % ) . Action of Acetic Anhydride on Ngaione .- ( i ) With sodium acetate . Ngaione ...
... ( Calc .: 81-8 ) ( Found : C , 68-7 ; H , 10-2 ; CO , determined by hydroxylamine hydrochloride , 9.1 . C17H30O4 requires : C , 68.4 ; H , 10-1 ; CO , 9.4 % ) . Action of Acetic Anhydride on Ngaione .- ( i ) With sodium acetate . Ngaione ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals D.Sc decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphone sulphuric acid synthesis Table tube values washed yield