Journal of the Chemical SocietyThe Society., 1947 |
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Results 1-3 of 83
Page 962
... yield was 65 % ( 1 · 84 g . ) . After recrystallisation from methyl alcohol ( 650 c.c. ) , the yield was 33 % ( 0-96 g . ) and , after a second recrystallisation ( 450 c.c. per g . ) in the presence of charcoal ( 0.75 g . per g . ) , it ...
... yield was 65 % ( 1 · 84 g . ) . After recrystallisation from methyl alcohol ( 650 c.c. ) , the yield was 33 % ( 0-96 g . ) and , after a second recrystallisation ( 450 c.c. per g . ) in the presence of charcoal ( 0.75 g . per g . ) , it ...
Page 1114
... yield of benzamidinium benzenesulphonate , m . p . and mixed m . P. 175- 175.5 ° , when heated at 160 ° in a stream of dry ammonia for 5 hours . o - Nitrobenzamidine . - o - Nitrophenyl cyanide ( 5-6 g . ) , aluminium chloride ( 5 g ...
... yield of benzamidinium benzenesulphonate , m . p . and mixed m . P. 175- 175.5 ° , when heated at 160 ° in a stream of dry ammonia for 5 hours . o - Nitrobenzamidine . - o - Nitrophenyl cyanide ( 5-6 g . ) , aluminium chloride ( 5 g ...
Page 1442
... yield ) was recrystallised from methyl alcohol ( 320 c.c. per g . ) , after which the yield was 51 % ( Found : 3 Cl + 21 , 39-35 . C32H8N , Cl , IS , requires 3C1 + 21 , 39-55 % ) . The green crystals had m . p . 240 ° ( decomp ...
... yield ) was recrystallised from methyl alcohol ( 320 c.c. per g . ) , after which the yield was 51 % ( Found : 3 Cl + 21 , 39-35 . C32H8N , Cl , IS , requires 3C1 + 21 , 39-55 % ) . The green crystals had m . p . 240 ° ( decomp ...
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Common terms and phrases
absorption acetic acid acetone activity added alkali Amer amidine ammonia anhydride atoms band benzene boiling bromine Calc carbon carbon tetrachloride catalyst CH₂ Chem chemical chemistry chloroform compound concentrated condensation cooled crystallised crystals cyanide D.Sc decomp derivatives dilute dissolved distilled dried equiv ester evaporated experimental extracted with ether filtered filtrate formation formed Found fraction gave give H₂ heated hydrochloric acid hydrochloride hydrogen chloride hydrolysis iodide iodine isolated isotherm ketone l-arabinose lactone light petroleum b. p. liquid m. p. and mixed methanol method methyl alcohol mixed m. p. mixture molecular molecule nitration obtained oxide oxidised phenyl phosphoryl chloride picrate polymerisation potassium precipitated prepared Pu(IV pyridine reaction reduced pressure refluxed removed requires residue salt separated sodium hydroxide solid soluble solvent stirred structure sulphate sulphuric acid syrup vacuum vinyl acetate washed yellow yield