Quarterly Journal of the Chemical Society of London, Volume 16, Pages 2739-3518 |
From inside the book
Results 1-3 of 86
Page 2925
... mass spectra ( Found : C , 22-3 ; F , 62-8 ; N , 7.5 % ; M , 421. CF14N2O2 requires C , 22.7 ; F , 63-0 ; N , 6 · 6 ; M , 422 ) . The mass spectrum is summarised thus : 28 ( 2-6 ) N2 or CO , 31 ( 9-8 ) CF , 47 ( 2 · 5 ) CFO , 50 ( 4-5 ) ...
... mass spectra ( Found : C , 22-3 ; F , 62-8 ; N , 7.5 % ; M , 421. CF14N2O2 requires C , 22.7 ; F , 63-0 ; N , 6 · 6 ; M , 422 ) . The mass spectrum is summarised thus : 28 ( 2-6 ) N2 or CO , 31 ( 9-8 ) CF , 47 ( 2 · 5 ) CFO , 50 ( 4-5 ) ...
Page 3076
... ( mass spectrum ) 412 ( Found : C , 64.25 ; H , 5.1 . C22H20O8 requires C , 64.05 ; H , 4.9 % ) . Hydrolysis of phenol ( D ) acetate gave 4,6,7 - trihydroxy- 2,3 - dimethoxyphenanthrene as pinkish plates , m.p. 230- 234 ° , max . 3420s ...
... ( mass spectrum ) 412 ( Found : C , 64.25 ; H , 5.1 . C22H20O8 requires C , 64.05 ; H , 4.9 % ) . Hydrolysis of phenol ( D ) acetate gave 4,6,7 - trihydroxy- 2,3 - dimethoxyphenanthrene as pinkish plates , m.p. 230- 234 ° , max . 3420s ...
Page 3458
... mass spectra which are dominated by the base peak at m / e 184. The fragmentation pattern below this ion closely resembles that of dibenzothiophen . The peak is , therefore , attributed to the very stable dibenzothiophen ion . An ion at ...
... mass spectra which are dominated by the base peak at m / e 184. The fragmentation pattern below this ion closely resembles that of dibenzothiophen . The peak is , therefore , attributed to the very stable dibenzothiophen ion . An ion at ...
Contents
Organic chemistry | 2739 |
Cyclic quaternary ammonium salts Part VIII Imidazo12apyrazinium salts | 2748 |
Reactions of pyridine Noxides with 36dichloropyridazine | 2756 |
54 other sections not shown
Other editions - View all
Common terms and phrases
2-pyridyl acetic acid acetic anhydride acetone acetonitrile added adduct Amer amine anhydride aqueous aromatic azide benzene benzyl bromide Calc carbon CH₂ Chem Chemical chloride chloroform chromatographed cm¯¹ cm¹ CO₂H compound crystallised cyclisation decomp derivative dimethyl dimethylformamide distilled doublet dried elution ester ethanol ether ethyl acetate EtOH evaporated extracted filtered filtrate Found fraction gave give heated under reflux hydrazone hydride hydrochloric hydrogen hydrolysis hydroxide i.r. spectrum isolated ketone light petroleum lithium aluminium hydride mass spectra methyl methylene mixed m.p. mixture mmHg mmol mmoles N-oxide n.m.r. spectra needles nitrogen obtained oxidation petroleum b.p. Ph Ph phenol phosphite potassium prepared protons pyridine reaction reagent rearrangement requires residue ring room temperature signals silica gel sodium sodium hydroxide solid solution solvent stirred structure synthesis Tetrahedron triethyl phosphite washed yield