Quarterly Journal of the Chemical Society of London, Volume 1, Pages 1-996 |
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Page 332
... described , but by use of a 6 : THE preparation of t - butylphosphonous dichloride ( I ) by reaction of t - butylmagnesium chloride with phosphorus trichloride at -25 ° , was described by Voskuil and Arens.1 Although the reported yield ...
... described , but by use of a 6 : THE preparation of t - butylphosphonous dichloride ( I ) by reaction of t - butylmagnesium chloride with phosphorus trichloride at -25 ° , was described by Voskuil and Arens.1 Although the reported yield ...
Page 691
... described . There is ample evidence for the cyclization stage in the work of Regitz.13 All attempts to obtain the ... described in ref . 1 ; max . ( CHCl3 ) 1672 cm . 1 ; max ( EtOH ) 224 , 343 nm . ( log10 & 4-01 , 4.19 ) . trans - 3 ...
... described . There is ample evidence for the cyclization stage in the work of Regitz.13 All attempts to obtain the ... described in ref . 1 ; max . ( CHCl3 ) 1672 cm . 1 ; max ( EtOH ) 224 , 343 nm . ( log10 & 4-01 , 4.19 ) . trans - 3 ...
Page 858
... described above for ( Id ) and crystallization of the crude product ( 4.2 g . from toluene gave the sulphide ( IIIe ) ( 2.2 g . , 68 % ) , m.p. 188-190 ° ( decomp . ) ( Found : C , 48-2 ; H , 2 · 9 ; N , 8-6 ; S , 4.9 . C2H ,, Br , Cl2N ...
... described above for ( Id ) and crystallization of the crude product ( 4.2 g . from toluene gave the sulphide ( IIIe ) ( 2.2 g . , 68 % ) , m.p. 188-190 ° ( decomp . ) ( Found : C , 48-2 ; H , 2 · 9 ; N , 8-6 ; S , 4.9 . C2H ,, Br , Cl2N ...
Contents
Organic chemistry | 1 |
oestrone | 10 |
Heterocyclic compounds from urea derivatives Part XVI Interaction of carbonohydrazide and carbodi | 19 |
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absorption acetic acid acetone added adduct alcohol alumina Amer aqueous aromatic band benzene boiled bromide Calc CH₂ chalcone Chem chim chloride chloroform chromatography cm.¹ colourless compound cooled crystallised cyclisation cyclohexane decomp derivatives diluted dimethyl dimethylformamide dioxan distilled doublet dried eluted ester ethanol ethyl acetate EtOH evaporated extracted with ether filtered filtrate Found fraction gave give heated under reflux hydrochloric acid hydrolysis i.r. spectrum identical irradiation isolated isomer ketone light petroleum b.p. lithium aluminium hydride mass spectra methylene mixed m.p. mixture mmoles mole n.m.r. spectrum needles nitrogen Nujol obtained olefin oxidation peak phosphine potassium prepared protons pyridine reaction reagent rearrangement reduced pressure reflux requires residue ring room temperature showed signals silica gel singlet sodium hydroxide solid solution solvent stirred structure synthesis Table tetrahydrofuran VIII yellow yield zygosporin