Search Results - "Akhmedov, N. G."

Spirodiepoxide Strategy to the C Ring of Pectenotoxin 4: Synthesis of the C1−C19 Sector by Joyasawal, Sipak, Lotesta, Stephen D, Akhmedov, N. G, Williams, Lawrence J

“…The synthesis of a C1−C19 precursor to pectenotoxin 4 is presented. The strategy employed the functionalized allene shown. Key features include: olefin…”
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Conversions by Dimethyldioxirane of 1-Alkylbenzotriazoles into Their N-Oxides and of 2-Alkylbenzotriazoles into 2-Alkyl-trans-4,5,6,7-diepoxy-4,5,6,7-tetrahydrobenzotriazoles by Katritzky, Alan R, Maimait, Rexiat, Denisenko, Sergey N, Steel, Peter J, Akhmedov, Novruz G

“…Dimethyldioxirane converted 1-alkylbenzotriazoles 4 to the corresponding 3-alkylbenzotriazole 1-oxides 5 in good yields, but transformed 2-alkylbenzotriazoles…”
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(Phenalene)chromium Tricarbonyl Complexes. Synthesis, Structure, and Thermal Rearrangements by Akhmedov, N. G, Malyugina, S. G, Mstislavsky, V. I, Oprunenko, Yu. F, Roznyatovsky, V. A, Ustynyuk, Yu. A, Batsanov, A. S, Ustynyuk, N. A

“…The reaction of phenalene with Cr(CO)3Py3/BF3·OEt2 gives a mixture of two isomeric complexes:  tricarbonyl(6a,7−9,9a,9b-η6-phenalene)chromium (1) and…”
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Tricarbonylchromium complexes with phenalene. Synthesis, structure, and thermal rearrangements by Akhmedov, N. G., Katsman, E. A., Malyugina, S. G., Mstislavsky, V. I., Oprunenko, Yu. F., Roznyatovsky, V. A., Ustynyuk, Yu. A., Batsanov, A. S., Ustynyuk, N. A.

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Synthesis and properties of 7,7-dichloro-3,4-benzobicyclo[4.1.0]heptane, its tricarbonylchromium complexes, and isomeric 7-chloro-3,4-benzobicyclo[4.1.0]heptanes by Vorogushin, A. V., Reshetova, M. D., Akhmedov, N. G., Ustynyuk, Yu. A., Eremenko, I. L., Nefedov, S. E., Zinin, A. I.

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Preparation of β-Keto Esters and β-Diketones by C-Acylation/Deacetylation of Acetoacetic Esters and Acetonyl Ketones with 1-Acylbenzotriazoles by Katritzky, Alan R, Wang, Zuoquan, Wang, Mingyi, Wilkerson, Chavon R, Hall, C. Dennis, Akhmedov, Novruz G

“…Acyl-, aroyl-, and heteroaroyl-acetic esters 6a−f and 8a−l are prepared by reactions of 1-acylbenzotriazoles 1a−k with acetoacetic esters 5 or 7a,b in the…”
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Ricochet inter-ring haptotropic rearrangement of σ-methyl-( η5-indenyl) chromium tricarbonyls. Experimental kinetic and theoretical DFT study by Trifonova, O.I., Ochertyanova, E.A., Akhmedov, N.G., Roznyatovsky, V.A., Laikov, D.N., Ustynyuk, N.A., Ustynyuk, Yu.A.

“…σ-Methyl-( η 5-indenyl) chromium tricarbonyl ( III) rearranges quantitatively into η 6-1-endo-methylindene) chromium tricarbonyl ( IV) in C 6D 6 solution at…”
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Direct nitration of five membered heterocycles by Katritzky, Alan R., Scriven, Eric F.V., Majumder, Suman, Akhmedova, Rena G., Akhmedov, Novruz G., Vakulenko, Anatoliy V.

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One-bond and long-range coupling constants of substituted 2-cyanopyridines. GIAO/DFT calculations of proton and carbon chemical shifts and coupling constants by Katritzky, Alan R., Akhmedov, Novruz G., Güven, Alâattin, Scriven, Eric F.V., Majumder, Suman, Akhmedova, Rena G., Hall, C. Dennis

“…The magnitude of one bond and long-range coupling constants ( n J HH and n J CH) in isomeric cyanopyridines-( 1, 2, 3), methyl-( 4, 5, 6, 7), 3-ethyl-( 8),…”
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Cyclization of α-Oxo-oximes to 2-Substituted Benzoxazoles by Katritzky, Alan R, Wang, Zuoquan, Hall, C. Dennis, Akhmedov, Novruz G, Shestopalov, Aleksandr A, Steel, Peter J

“…Reactions of oximes 9, 17, and 19 with electrophiles 15a − f and 24 in the presence of anhydrous potassium carbonate or triethylamine give 2-substituted…”
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Efficient Synthesis of Enynecarbamates and Their Ring-Closing Metathesis/[4 + 2] Diels−Alder Cycloaddition:  Synthesis of Hexahydroisoquinolines by Katritzky, Alan R, Nair, Satheesh K, Khokhlova, Tatyana, Akhmedov, Novruz G

“…Enynes 5a−g were prepared in moderate to good yields from 1-(triphenylphosphoranylideneaminoalkyl)benzotriazoles. Ring-closing metathesis of 5a−f afforded…”
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1-(α-Boc-aminoacyl)benzotriazoles: Stable chiral α-aminoacylation reagents by Katritzky, Alan R., Wang, Mingyi, Yang, Hongfang, Zhang, Suoming, Akhmedov, Novruz G.

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A novel cyclization to isoxazolo[3,4- e][2,1]benzisoxazole by Katritzky, Alan R., Wang, Zuoquan, Hall, C.Dennis, Ji, Yu, Akhmedov, Novruz G.

“…Methylation of 2,1-benzisoxazole 4,5-dione 4-oxime 2 using dimethyl sulfate in DMF and in the presence of potassium carbonate gave a substantial yield of…”
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Dynamic NMR and ab initio studies of exchange between rotamers of derivatives of octahydrofuro[3,4-f]isoquinoline-7(1H)-carboxylate and tetrahydro-2,5,6(1H)-isoquinolinetricarboxylate by Akhmedov, Novruz G., Myshakin, Evgeniy M., Dennis Hall, C.

“…The 1H and 13C NMR spectra of methyl‐8‐(2‐furyl)‐5‐methyl‐1,3‐dioxo‐3,3a,4,6,8,9,9a,9b‐octahydrofuro[3,4‐f]isoquinoline‐7(1H)‐carboxylate (1) and trimethyl…”
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Synthesis and NMR spectroscopic studies of allylsulfanyl‐ N 1 ‐alkyl‐ N 4 ‐phenyl‐1,4‐phenylenediamines and their cyclization products, 2,3‐dihydro‐1‐benzothiophenes and thiochromans by Katritzky, Alan R., Akhmedov, Novruz G., Wang, Mingyi, Rostek, Charles J., Steel, Peter J.

“…Regioselective addition of allylthiol at the C‐3 position adjacent to the nitrogen carrying the phenyl group of the 1,4‐phenylenediamine moiety of compounds 1…”
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The preparation of 5-substituted and 4,5-disubstituted 2,1-benzisoxazoles by Katritzky, Alan R., Wang, Zuoquan, Hall, C. Dennis, Akhmedov, Novruz G.

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Elucidation of the structures of 3‐alkylthio‐, 3‐benzylthio‐, 2‐arylthio‐ and 2‐heteroarylthio‐ N 1 ‐(1,3‐dimethylbutyl)‐ N 4 ‐phenyl‐1,4‐phenylenediamines by one‐ and two‐dimensional NMR spectroscopy by Katritzky, Alan R., Akhmedov, Novruz G., Abdel‐Fattah, Ashraf A. A., Wang, Mingyi, Rostek, Charles J., Maender, Otto W.

“…Nucleophilic addition of alkyl‐ and benzylthiols to benzoquinone diimine ( 1 ) gave the corresponding 3‐alkylthio‐ or 3‐benzylthio‐1,4‐phenylenediamines ( 2 –…”
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Structure elucidation of [1,3]oxazolo[4,5-e][2,1]benzisoxazole and naphtho[1,2-d][1,3]- and phenanthro[9,10-d]oxazoles using gradient selected gHMBC, gHMQC and gHMQC-TOCSY NMR techniques by Katritzky, Alan R., Akhmedov, Novruz G., Wang, Zuoquan, Roznyatovsky, Vitaly A., Shestopalov, Aleksandr A., Dennis Hall, C.

“…Structure elucidation of compounds in the benzisoxazole series (1–6) and naphtho[1,2‐d][1,3]‐ (7–10) and phenanthro[9,10‐d][1,3]oxazole (11–14) series was…”
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New reactions of 4,5-disubstituted 1,2,3-thiadiazoles in the presence of NaH by Katritzky, Alan R., Nikonov, George N., Moyano, Elizabeth L., Akhmedov, Novruz G., Steel, Peter J.

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Preparation of 2,4-dimethyldecane, 5-n-propylnonane, 2-methyl-5-ethylnonane, and 3- and 4-ethyldecanes by Katritzky, Alan R., Nair, Satheesh K., Ledoux, Stephane, Witek, Rachel M., Akhmedov, Novruz G., Gordon, Peter A., Wu, Margaret M.

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