Quarterly Journal of the Chemical Society of London, Volume 11 |
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Results 1-3 of 83
Page 2052
... needles except compound ( XXIVa ) ( flakes ) . • See Table 1. Py pyridine . Solution Photodimerization of 1,3 - Dimethyluracil By D. Elad ,. 234 ° ( decomp . ) ( Found : C , 63-7 ; H , 3-7 ; Br , 18-7 . C23H16BrO requires C , 63-5 ; H ...
... needles except compound ( XXIVa ) ( flakes ) . • See Table 1. Py pyridine . Solution Photodimerization of 1,3 - Dimethyluracil By D. Elad ,. 234 ° ( decomp . ) ( Found : C , 63-7 ; H , 3-7 ; Br , 18-7 . C23H16BrO requires C , 63-5 ; H ...
Page 2321
... needles , from aqueous ethanol ) ( Found : C , 63-4 ; H , 5 · 4 : N , 8-0 . C18H18ÑO , requires C , 63.2 ; H , 5.3 ; N , 8-2 % ) , [ a ] , 25-29-8 ° ( 1.5 % ) , max . 3298 ( NH ) , 1741 ( CO , Et ) , 1634 ( CONH ) , and 1522 and 1343 ...
... needles , from aqueous ethanol ) ( Found : C , 63-4 ; H , 5 · 4 : N , 8-0 . C18H18ÑO , requires C , 63.2 ; H , 5.3 ; N , 8-2 % ) , [ a ] , 25-29-8 ° ( 1.5 % ) , max . 3298 ( NH ) , 1741 ( CO , Et ) , 1634 ( CONH ) , and 1522 and 1343 ...
Page 2538
... needles , m.p. 160 ° ( from aqueous methanol ) ( Found : C , 86-4 ; H , 7-6 ; N , 6.3 . C1H1N requires C , 86-1 ; H , 7-6 ; N , 6 · 3 % ) . General Method of Preparation of 9,9 - Dialkyl - 9,10 - di- hydroacridines . - The 9 ...
... needles , m.p. 160 ° ( from aqueous methanol ) ( Found : C , 86-4 ; H , 7-6 ; N , 6.3 . C1H1N requires C , 86-1 ; H , 7-6 ; N , 6 · 3 % ) . General Method of Preparation of 9,9 - Dialkyl - 9,10 - di- hydroacridines . - The 9 ...
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 |
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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