Journal of the Chemical SocietyThe Society., 1948 |
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Page 989
... reduced by the methods described above , yielding the saturated colourless diketolanostane . The ease with which the double bond contained in analogous chromophores can be reduced has been recorded in related compounds . Wieland et al ...
... reduced by the methods described above , yielding the saturated colourless diketolanostane . The ease with which the double bond contained in analogous chromophores can be reduced has been recorded in related compounds . Wieland et al ...
Page 999
... reduced with sodium amalgam to BB ' - diphenyl - aa ' - dihydromuconic acid , the trans - modification of which ( V ; R = H ) was R CH2 он CO2R ' он CO2R ' HO CH2 CO CH2 R R OAC 2 R R CH2 OAC ( III . ) R CH2 R'O , C ( I. ) ( meso ) CH2 ...
... reduced with sodium amalgam to BB ' - diphenyl - aa ' - dihydromuconic acid , the trans - modification of which ( V ; R = H ) was R CH2 он CO2R ' он CO2R ' HO CH2 CO CH2 R R OAC 2 R R CH2 OAC ( III . ) R CH2 R'O , C ( I. ) ( meso ) CH2 ...
Page 1742
... reduced completely by the Clemmensen process , but reduction by the modified Wolff - Kishner method ( Huang- Minlon , J. Amer . Chem . Soc . , 1946 , 68 , 2487 ) yielded 3 - benzyl - 3 - methylheptanecarboxylic acid . Starting with w ...
... reduced completely by the Clemmensen process , but reduction by the modified Wolff - Kishner method ( Huang- Minlon , J. Amer . Chem . Soc . , 1946 , 68 , 2487 ) yielded 3 - benzyl - 3 - methylheptanecarboxylic acid . Starting with w ...
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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4-trimethyl absorption acetic anhydride acetone acetyl added alcohol alkaline Amer amine ammonia atoms bands benzaldehyde benzene boiling bromine Calc carbon CH₂ 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