Journal of the Chemical SocietyThe Society., 1948 |
From inside the book
Results 1-3 of 11
Page 1357
... mixed crystal of ergosterol and a - dihydroergosterol . More recently , Wieland , Rath , and Hesse ( Annalen , 1941 ... M. P. 164-165 ° † 164 165 neoSterol . [ a ] p in CHCI ,. " Synthetic neosterol . " -105 ° + -104 + Mixed m . p ...
... mixed crystal of ergosterol and a - dihydroergosterol . More recently , Wieland , Rath , and Hesse ( Annalen , 1941 ... M. P. 164-165 ° † 164 165 neoSterol . [ a ] p in CHCI ,. " Synthetic neosterol . " -105 ° + -104 + Mixed m . p ...
Page 1883
... mixed m.p. , this by - product was identified as the carbocyanine , which was synthesised for comparison , and is described at the end of the paper ( p . 1887 ) . [ 2- ( 4 - Methyl - 3 - ethylthiazole ) ] [ 2- ( 3 - ethylbenzthiazole ) ...
... mixed m.p. , this by - product was identified as the carbocyanine , which was synthesised for comparison , and is described at the end of the paper ( p . 1887 ) . [ 2- ( 4 - Methyl - 3 - ethylthiazole ) ] [ 2- ( 3 - ethylbenzthiazole ) ...
Page 2205
... M. P. 86-87 ° [ a ] D . + 91.0 ° Wiggins ( J. , 1945 , 4 ) . + 6.4 Hockett and Sheffield ( loc . cit . ) . 119 145 ... mixed m . p . with the bismethansulphonate of dianhydride ( B ) . No clue as to the identity of the dianhydride ( C ) ...
... M. P. 86-87 ° [ a ] D . + 91.0 ° Wiggins ( J. , 1945 , 4 ) . + 6.4 Hockett and Sheffield ( loc . cit . ) . 119 145 ... mixed m . p . with the bismethansulphonate of dianhydride ( B ) . No clue as to the identity of the dianhydride ( C ) ...
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 |
Other editions - View all
Common terms and phrases
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