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Material Type Article
Local Call #QD01190
AuthorPimchit Dampawan
Title&-Nitro Ketones. 6.1 Synthesis and Conformation of 2-Methyl-2-nitro-, cis-and trans-6-Methyl-2-nitro-, and cis-and trans-2,6-Dimethyl-2-nitrocyclohexanones
Subjecta-nitroketones -- research
 Research
 PSU Publication
Added AuthorZajac , Walter W.
 Prince of Songkla University . Faculty of Science Department of Chemistry
 Villanova University . Department of Chemistry
Journal TitleJournal of Organic Chemistry 47 (1982) : 1176-1181
summaryNitration of the most substituted (thermodynamically more stable) enol acetate or trimethylsilyl ether of 2-methylcyclohexanone and the phase-transfer methylation of 2-nitrocyclohexanone serve as methods of preparation of 2-methyl-2-nitrocyclohexanone, whereas nitration of the least substituted enol acetate or trimethylsilyl ether of 2-methylcyclohexanone and methylation of the dianion of 2-nitrocyclohexanone lead to cis- and trans-6-methyl-2-nitrocyclohexanone. Nitration of the enol acetate or trimethylsilyl ether of 2,6-dimethylcyclohexanone and methylation of either 2-methyl-2-nitro- or 6-methyl-2-nitrocyclohexanone are methods of preparation of cis-and trans-2,6-dimethyl-2-nitrocyclohexanone. 1H NMR chemical shift and coupling constant data were used to determine the preferred conformations of the cyclohexanones: 2(e)-methyl-2(a)-nitro, cis-6(e)-methyl-2(e)-nitro, trans-6(e)-methyl-2(a)-nitro, cis-2(e),6(e)-dimethyl-2(a)-nitro, trans-2(a)-methyl-6(e)-methyl-2(e)-nitro.
Local Call #QD01190
AuthorPimchit Dampawan
Title&-Nitro Ketones. 6.1 Synthesis and Conformation of 2-Methyl-2-nitro-, cis-and trans-6-Methyl-2-nitro-, and cis-and trans-2,6-Dimethyl-2-nitrocyclohexanones
Added AuthorZajac , Walter W.
 Prince of Songkla University . Faculty of Science Department of Chemistry
 Villanova University . Department of Chemistry
Subjecta-nitroketones -- research
 Research
 PSU Publication
Journal TitleJournal of Organic Chemistry 47 (1982) : 1176-1181
summaryNitration of the most substituted (thermodynamically more stable) enol acetate or trimethylsilyl ether of 2-methylcyclohexanone and the phase-transfer methylation of 2-nitrocyclohexanone serve as methods of preparation of 2-methyl-2-nitrocyclohexanone, whereas nitration of the least substituted enol acetate or trimethylsilyl ether of 2-methylcyclohexanone and methylation of the dianion of 2-nitrocyclohexanone lead to cis- and trans-6-methyl-2-nitrocyclohexanone. Nitration of the enol acetate or trimethylsilyl ether of 2,6-dimethylcyclohexanone and methylation of either 2-methyl-2-nitro- or 6-methyl-2-nitrocyclohexanone are methods of preparation of cis-and trans-2,6-dimethyl-2-nitrocyclohexanone. 1H NMR chemical shift and coupling constant data were used to determine the preferred conformations of the cyclohexanones: 2(e)-methyl-2(a)-nitro, cis-6(e)-methyl-2(e)-nitro, trans-6(e)-methyl-2(a)-nitro, cis-2(e),6(e)-dimethyl-2(a)-nitro, trans-2(a)-methyl-6(e)-methyl-2(e)-nitro.
LDR 01833naa 2200241 4500
008 360702 d
035__‡a(PSU)41598
090__‡aQD01190
1000_‡aPimchit Dampawan
24510‡a&-Nitro Ketones. 6.1 Synthesis and Conformation of 2-Methyl-2-nitro-, cis-and trans-6-Methyl-2-nitro-, and cis-and trans-2,6-Dimethyl-2-nitrocyclohexanones
520__‡aNitration of the most substituted (thermodynamically more stable) enol acetate or trimethylsilyl ether of 2-methylcyclohexanone and the phase-transfer methylation of 2-nitrocyclohexanone serve as methods of preparation of 2-methyl-2-nitrocyclohexanone, whereas nitration of the least substituted enol acetate or trimethylsilyl ether of 2-methylcyclohexanone and methylation of the dianion of 2-nitrocyclohexanone lead to cis- and trans-6-methyl-2-nitrocyclohexanone. Nitration of the enol acetate or trimethylsilyl ether of 2,6-dimethylcyclohexanone and methylation of either 2-methyl-2-nitro- or 6-methyl-2-nitrocyclohexanone are methods of preparation of cis-and trans-2,6-dimethyl-2-nitrocyclohexanone. 1H NMR chemical shift and coupling constant data were used to determine the preferred conformations of the cyclohexanones: 2(e)-methyl-2(a)-nitro, cis-6(e)-methyl-2(e)-nitro, trans-6(e)-methyl-2(a)-nitro, cis-2(e),6(e)-dimethyl-2(a)-nitro, trans-2(a)-methyl-6(e)-methyl-2(e)-nitro.
590__‡aบทความวิจัย
591__‡aPSU ‡bScience ‡cChem
650__‡aa-nitroketones ‡xresearch
650__‡aResearch
690__‡aPSU Publication
7001_‡aZajac ‡cWalter W.
7102_‡aPrince of Songkla University ‡bFaculty of Science Department of Chemistry
7102_‡aVillanova University ‡bDepartment of Chemistry
7730_‡tJournal of Organic Chemistry ‡g47 (1982) : 1176-1181
850__‡aPSU : CL ‡bSpecial Collection
901 ‡a41598
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