Quarterly Journal of the Chemical Society of London, Volume 11 |
From inside the book
Results 1-3 of 80
Page 2024
... pyridine ( 2 mol . ) still gave 3,5 - cycloergosta- 6,8 ( 14 ) , 22 - triene ( V ) ; with pyridine ( 8 mol . ) a mixture of the triene and ergosteryl dimethyl phosphate was obtained ; in the presence of pyridine ( 16 mol . ) only the ...
... pyridine ( 2 mol . ) still gave 3,5 - cycloergosta- 6,8 ( 14 ) , 22 - triene ( V ) ; with pyridine ( 8 mol . ) a mixture of the triene and ergosteryl dimethyl phosphate was obtained ; in the presence of pyridine ( 16 mol . ) only the ...
Page 2027
... pyridine ( 50 ml . ) for 3 hr . to give a crystalline precipitate . Recrystallisation of this from aqueous acetone gave plates ( 1.3 g . ) , m.p. 310 ° ( decomp . ) . The compound contained ionic chlorine and no phosphorus . The i.r. ...
... pyridine ( 50 ml . ) for 3 hr . to give a crystalline precipitate . Recrystallisation of this from aqueous acetone gave plates ( 1.3 g . ) , m.p. 310 ° ( decomp . ) . The compound contained ionic chlorine and no phosphorus . The i.r. ...
Page 2294
... pyridine ( 5 ml . ) containing cobalt ( II ) acetate ( 100 mg . ) ; the mixture was heated to 100 ° during 5 min . Light petroleum was added to the solution ; the product separated and crystallised from pyridine - light petroleum as ...
... pyridine ( 5 ml . ) containing cobalt ( II ) acetate ( 100 mg . ) ; the mixture was heated to 100 ° during 5 min . Light petroleum was added to the solution ; the product separated and crystallised from pyridine - light petroleum as ...
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