Journal of the Chemical SocietyThe Society., 1949 |
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Results 1-3 of 73
Page 814
... gave 22.6 g . of recovered terpene having no 1-4752 , a5 -74.2 ° . This oil ( 17 g . ) on fractional distillation gave the following fractions : Wt . ( g . ) n30 ° .20 ° [ a ] p ( in EtOH ) 20 ° 2.6 1.4744 -71.9 ° 3.5 4.3 1.4746 1.4750 ...
... gave 22.6 g . of recovered terpene having no 1-4752 , a5 -74.2 ° . This oil ( 17 g . ) on fractional distillation gave the following fractions : Wt . ( g . ) n30 ° .20 ° [ a ] p ( in EtOH ) 20 ° 2.6 1.4744 -71.9 ° 3.5 4.3 1.4746 1.4750 ...
Page 857
... gave acetic acid which was identified by conversion into the anilide , m . p . and mixed m . p . 112 ° ( Found : N , 10-7 . Calc . for C , H , ON : N , 10.4 % ) . ( b ) O - Dimethylcitromycinone ( 1 g . ) was heated with 2N - sodium ...
... gave acetic acid which was identified by conversion into the anilide , m . p . and mixed m . p . 112 ° ( Found : N , 10-7 . Calc . for C , H , ON : N , 10.4 % ) . ( b ) O - Dimethylcitromycinone ( 1 g . ) was heated with 2N - sodium ...
Page 1601
... gave products which could be separated into fractions , soluble and insoluble in acetone - chloroform ( 1 : 1 ) . The general properties of these acetates were unchanged on further acetylation , and methylation of the crude acetates and ...
... gave products which could be separated into fractions , soluble and insoluble in acetone - chloroform ( 1 : 1 ) . The general properties of these acetates were unchanged on further acetylation , and methylation of the crude acetates and ...
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Common terms and phrases
4-dinitrophenylhydrazone absorption acetic anhydride acetone acetyl acidified added aldehyde alkaline aluminium chloride Amer amine ammonia aniline aqueous sodium atom benzene boiling bromine Calc carbon catalyst CH₂ Chem chloroform citrinin colourless needles compound condensation containing cooled crystallised crystallised from alcohol crystals cyanide cyclisation decomp derivative dilute dissolved distilled dried electrode ester evaporated extracted with ether filtered filtrate formed colourless Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone lactone light petroleum b. p. m. p. and mixed methanol method methyl alcohol minutes mixed m. p. mixture molecule obtained oxide phenol phosphoric picrate potassium hydroxide precipitate prepared pyridine reaction reduced pressure requires residue resin room temperature salt separated sodium hydroxide solid soluble solution solvent specimen structure substance sulphuric acid triethylamine values washed yellow needles yield