Quarterly Journal of the Chemical Society of London, Volume 11 |
From inside the book
Results 1-3 of 83
Page 2157
... singlet at 3.38 ( 1H ) and two singlets ( each 3H ) at 7.18 and 7.40 , which are shifted downfield in [ 2H ] dimethyl sulphoxide ( Table 1 ) and are assigned to H - 6 and the methyl groups respectively in the structure ( 9a ) . On ...
... singlet at 3.38 ( 1H ) and two singlets ( each 3H ) at 7.18 and 7.40 , which are shifted downfield in [ 2H ] dimethyl sulphoxide ( Table 1 ) and are assigned to H - 6 and the methyl groups respectively in the structure ( 9a ) . On ...
Page 2342
... singlet oxygen were efficiently oxidised . The reactivity of these compounds , and the type of products formed in the reaction , are explainable in terms of a mechanism in which hydrogen atom abstraction from the amine by triplet ketone ...
... singlet oxygen were efficiently oxidised . The reactivity of these compounds , and the type of products formed in the reaction , are explainable in terms of a mechanism in which hydrogen atom abstraction from the amine by triplet ketone ...
Page 2347
... Singlet Oxygen is not Involved By R. F. Bartholomew and R. S. Davidson , * Department of Chemistry , The University ... singlet oxygen 3 has been vindicated by the experiments of Foote and Wexler and Corey and Taylor.5 A review of ...
... Singlet Oxygen is not Involved By R. F. Bartholomew and R. S. Davidson , * Department of Chemistry , The University ... singlet oxygen 3 has been vindicated by the experiments of Foote and Wexler and Corey and Taylor.5 A review of ...
Contents
Organic chemistry | 2023 |
Constituents of Withania somnifera Dun Part XII The withanolides of an Indian chemotype | 2032 |
Cyclic hydroxamic acids Part I Synthesis and reactions of 12dihydro1hydroxy46dimethyl2oxo | 2044 |
36 other sections not shown
Other editions - View all
Common terms and phrases
acetic acid acetic anhydride acetone acetyl alcohol aldehyde alumina Amer amine ammonia anhydride anhydrous aqueous aromatic atom benzene benzyl bromide CH₂ Chem chloride chloroform chromatographed cm.¹ cm¯¹ cm¹ compound cooled crystallised cyclisation decomp derivative dichloromethane dilute dimer dimethyl dimethylformamide dioxan dried eluted ester ethanol ethyl acetate evaporated extracted with ether filtered filtrate Found gave give heated under reflux hydrochloric acid hydrolysis hydroxide i.r. spectrum iodide isolated isomer ketone lithium aluminium hydride methyl mixed m.p. mixture was stirred mmHg mmol mmole mole n.m.r. spectrum needles nitrogen obtained olefinic oxidation peroxide phenol potassium prepared protons pyridine reaction reduction reflux requires residue ring room temperature salt signals singlet sodium borohydride sodium hydroxide solid solution solvent spectra structure synthesis tetrahydrofuran treatment yield