Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2711
... ethanol ( 3 c.c. ) at 160 ° for 1 hours . After filtration from a trace of insoluble material , the solution was evaporated under reduced pressure . The solid residue crystallised from ethanol as small pale yellow needles , m . p . 235 ...
... ethanol ( 3 c.c. ) at 160 ° for 1 hours . After filtration from a trace of insoluble material , the solution was evaporated under reduced pressure . The solid residue crystallised from ethanol as small pale yellow needles , m . p . 235 ...
Page 2844
... ethanol . The oily residue crystallised after trituration with ethanol - ether . After recrystallis- ation from ethanol , tetra - acetyl a - 2 - deoxy - D - glucose , m . p . 91 ° , [ a ] 30 + 12 · 30 ° ( c , 0-325 in ethanol ) ( Found ...
... ethanol . The oily residue crystallised after trituration with ethanol - ether . After recrystallis- ation from ethanol , tetra - acetyl a - 2 - deoxy - D - glucose , m . p . 91 ° , [ a ] 30 + 12 · 30 ° ( c , 0-325 in ethanol ) ( Found ...
Page 2940
... ethanol : rising end - absorption only . The ethanolic mother - liquors from compound C were evaporated under reduced pressure , the viscous oil was redissolved in absolute ethanol , and the solution diluted with ether . Spontaneous ...
... ethanol : rising end - absorption only . The ethanolic mother - liquors from compound C were evaporated under reduced pressure , the viscous oil was redissolved in absolute ethanol , and the solution diluted with ether . Spontaneous ...
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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