Zobrazeno 1 - 10 of 13 pro vyhledávání: '"S. Q. Alam"'
1
Synthesis and photoreactions of 3-oxa-tricyclo[5.2.2.01,5]undecenones: a novel, stereoselective route to oxa-triquinanes and oxa-sterpuranes
Autor: S. Q. Alam, G.D Praveena, Vishwakarma Singh
Publikováno v: Tetrahedron. 58:9729-9736
The synthesis of 11-methyl-3-oxa-tricyclo[5.2.2.01,5]undecenones and their photochemical reactions upon triplet (3T) and singlet (1S) excitation is described. Oxidation of hydroxymethylphenol gave a ketoepoxide by intramolecular cycloaddition. Manipu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2c4d1ed4c91631da74558a26c171e41
https://doi.org/10.1016/s0040-4020(02)01280-2
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2
Intramolecular Diels-Alder Reaction of Cyclohexa-2,4-dienones: Synthesis and Photochemical Reactions of Oxa-Homobrendanes
Autor: S. Q. Alam, Vishwakarma Singh, M. Porinchu
Publikováno v: Tetrahedron. 51:13423-13434
Synthesis of Oxa-homobrendanes having β, γ-unsaturated carbonyl chromophore and their photoreactions in singlet ( 1 S) and triplet ( 3 T) excited states leading to novel bowl shaped molecules have been reported.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9935fa31cf1970b8a18717fb64e728eb
https://doi.org/10.1016/0040-4020(95)00878-c
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3
Effect of essential fatty acid deficiency on the fatty acid composition and arachidonic acid levels in rat maxillae and mandibles
Autor: M. Henderson, S. Q. Alam, B. S. Alam
Publikováno v: Calcified Tissue International. 55:169-172
The fatty acid composition of total lipids and total phospholipids of maxillae and mandibles of rats fed an essential fatty acid-deficient (EFAD), marginally FAD (MEFAD), and a control diet was determined. Patterns typical of an EFA deficiency such a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d937a66f85eb6a3ad1872f37b3bd817
https://doi.org/10.1007/bf00425870
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5
ChemInform Abstract: Intramolecular Diels-Alder Reaction in 1-Oxaspiro[2.5]octa-5,7-dien-4-one and Sigmatropic Shifts in Excited States: Novel Route to Sterpuranes and Linear Triquinanes: Formal Total Synthesis of (.+-.)-Coriolin
Autor: Vishwakarma Singh, S. Q. Alam
Publikováno v: ChemInform. 31
A novel, stereoselective synthesis of sterpuranes and coriolin via modulation of the photochemical reactivity of a tricyclic system having a β,γ-enone chromophore, which was assembled via intramolecular π4s + π2s cycloaddition of 1-oxaspiro[2.5]o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7287f0c479d0da934a0a080a361e529e
https://doi.org/10.1002/chin.200012199
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6
Arachidonic acid, prostaglandin E2 and leukotriene C4 levels in gingiva and submandibular salivary glands of rats fed diets containing n−3 fatty acids
Autor: B. M. Bergens, S. Q. Alam, B. S. Alam
Publikováno v: Lipids. 26:895-900
The effect of dietary n−3 fatty acids on prostaglandin E2 (PGE2) and leukotriene C4 (LTC4) levels in rat salivary glands and gingiva was examined in two separate nutritional studies. In the first set of experiments, two groups of male weanling Spra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b55b318a342bb8ad2dc6d269836aeaf
https://doi.org/10.1007/bf02535974
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7
Intramolecular Diels-Alder reaction in 1-oxaspiro[2.5]octa-5,7-dien-4-one and sigmatropic shifts in excited states: novel route to sterpuranes and linear triquinanes: formal total synthesis of (+/-)-coriolin
Autor: S. Q. Alam, Vishwakarma Singh
Publikováno v: IndraStra Global.
A novel, stereoselective synthesis of sterpuranes and coriolin via modulation of the photochemical reactivity of a tricyclic system having a beta,gamma-enone chromophore, which was assembled via intramolecular pi(4s) + pi(2s) cycloaddition of 1-oxasp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d98cf3971ca2389d08f694b7f9235db4
https://igi.indrastra.com/items/show/54885
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8
Gas chromatographic mass spectrometric evaluation of free organic acids in human saliva
Autor: S. Q. Alam, M. E. Ward, Ieva R. Politzer, John L. Laseter
Publikováno v: Biological Mass Spectrometry. 3:77-80
Excellent resolution and subsequent identification of free organic acids extracted from mixed, unstimulated human saliva was obtained by gas chromatography using high resolution open tubular glass capillary columns coupled with mass spectrometry comp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::701552a2c98509cc65daa75e7538c66c
https://doi.org/10.1002/bms.1200030207
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9
Application de la chromatographie en phase gazeuse au dosage du squal�ne dans les v�g�taux
Autor: J. Brossard, S. Q. Alam, G. Mackinney
Publikováno v: Qualitas Plantarum et Materiae Vegetabiles. 11:403-406
Decouvert il y a plus de 50 ans, dans des huiles de foies de squaloides, le squalene C30 H50 a ete ensuite identifie et dose dans plusieurs huiles d'origine vegetale.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a8ee4ac0eaf9b7bbf99d584b27ab32b
https://doi.org/10.1007/bf01102104
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