Quarterly Journal of the Chemical Society of London |
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Page 2923
... cm . - 1 , and by formation of a methyl ester [ Vmax . ( in CS2 ) 1738 cm . - 1 ] on reaction with diazomethane . The other two oxygen atoms are present as carbonyl groups [ Vmax . ( in Nujol ) 1702 and 1690 cm . - 1 in the acid , and ...
... cm . - 1 , and by formation of a methyl ester [ Vmax . ( in CS2 ) 1738 cm . - 1 ] on reaction with diazomethane . The other two oxygen atoms are present as carbonyl groups [ Vmax . ( in Nujol ) 1702 and 1690 cm . - 1 in the acid , and ...
Page 3356
... 1 ( 1205 cm. ̄1 ) ; 14 cm . - 1 ( 769 cm . - 1 ) ; 17 cm . - 1 ( 727 cm. ̄1 ) ; and 16 cm . - 1 ( 577 cm . - 1 ) . Combining an estimated 14 Ga - C bond length of ca. 2.00 Å with the assumed methyl - group dimensions C - H 1.09 Å and ...
... 1 ( 1205 cm. ̄1 ) ; 14 cm . - 1 ( 769 cm . - 1 ) ; 17 cm . - 1 ( 727 cm. ̄1 ) ; and 16 cm . - 1 ( 577 cm . - 1 ) . Combining an estimated 14 Ga - C bond length of ca. 2.00 Å with the assumed methyl - group dimensions C - H 1.09 Å and ...
Page 3453
... cm.1 ( SiH , N ̧ ) and at 1600 and 700 cm.1 ( SiD , N ) were also examined under a resolution of 0.4 cm . - 1 using a Grubb - Parsons G.S.2 grating instrument . " " Although the highest symmetry that the molecule can possess , if the ...
... cm.1 ( SiH , N ̧ ) and at 1600 and 700 cm.1 ( SiD , N ) were also examined under a resolution of 0.4 cm . - 1 using a Grubb - Parsons G.S.2 grating instrument . " " Although the highest symmetry that the molecule can possess , if the ...
Contents
NO PAGE | 2842 |
Mechanism of benzidine and semidine rearrangements Part XV A collective | 2864 |
By DAVID PETERS | 2901 |
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absorption acetic acid acetone added adduct alcohol alkyl Amax Amer anhydride aqueous aromatic atom atomic orbitals band benzene bond bromine Calc carbon carbonyl cation CH₂ Chem chloroform chromatography cm.¹ complex compound concentration constant crystallised cyclohexane decomp decomposition derivatives dilute dimethyl distilled dried effect electron ester ethanol ether evaporated extracted filtered filtrate formation formed Found fraction gave give heated hydride hydrogen hydrolysis hydroxide infrared infrared spectrum iodide ionisation energies isomer kinetic light petroleum b. p. lithium lithium aluminium hydride mechanism methyl mixed m. p. mixture mole molecular molecule nitric oxide nitrogen Nujol observed obtained oxidation perchlorate phenyl potassium prepared proton pyridine reaction rearrangement reduced refluxed requires residue room temperature salt sodium sodium hydroxide solid solution solvent spectra steric steric effect structure substitution sulphate Table thionyl chloride transition ultraviolet values Vmax yield