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Annulation and cycloaromatization reactions of 3-aryl (alkyl) thio-1-trimethylsiloxy-1-methoxy-1,3-butadienesPrasad, Chaturvedula V. January 1986 (has links)
The title compounds were synthesized from methyl 3-aryl(alkyl)thio crotonic acids by deprotonation followed by silylation. The reactions of dienes with a number of carbonyl electrophiles under Lewis-acid catalysed conditions were investigated. The dienes exclusively give $ gamma$-alkylated products. The thio substituent enhances the $ gamma$-selectivity. / The reactions of dienes with a number of 1,3-dicarbonyl equivalents have been studied and a cycloaromatization reaction has been developed for the regiocontrolled synthesis of aryl sulfides in a 3C + 3C combination. The role of dienes in Diels-Alder reactions has also been investigated. / A new 4C + 2C annulation reaction has been developed based on the propensity of dienes to undergo Michael reaction with $ alpha$,$ beta$-unsaturated ketones under Lewis-acid catalysed conditions. These Michael adducts in turn were cyclized either with potassium tert-butoxide or with lithium thiophenoxide. Further, the tandem Michael-Claisen annulation reaction can be controlled to give either cis- or trans-fused 9-methyldecalin system with three carbonyl groups which are differently masked. The chemoselective transformations of the carbonyl groups were also described.
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An infrared investigation into the formation of elliptical galaxies via mergersRothberg, Barry S January 2005 (has links)
Thesis (Ph. D.)--University of Hawaii at Manoa, 2005. / Includes bibliographical references. / Also available by subscription via World Wide Web / xvii, 281 leaves, bound ill., charts 29 cm
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Part I, Interrupted Nazarov cyclization on silica gel: Part II, Tandem alkylation-cyclization process via an O,C dianionDhoro, Francis January 2006 (has links)
Thesis (M.S.)--University of Hawaii at Manoa, 2006. / Includes bibliographical references (p. 63). / xi, 101 leaves, bound ill. 29 cm
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Mental health : a philosophical analysis /Tengland, Per-Anders, January 1900 (has links)
Diss. Linköping : Univ.
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Feedback enhancement of antibody responses via complement and Fc receptors /Dahlström, Jörgen, January 1900 (has links)
Diss. (sammanfattning) Uppsala : Univ., 2001. / Härtill 4 uppsatser.
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Soils of the Sorell-Carlton-Copping area of county Pembroke, Tasmania with special reference to soils formed on basalt.Loveday, J. January 1900 (has links) (PDF)
Thesis (M.Ag.Sci.)--University of Adelaide, Faculty Agricultural Science,1955. / Typewritten copy. Includes bibliographical references.
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Changed by His glory the spiritual formation of Jonathan Edwards /White, Ritchie Lewis. January 1993 (has links)
Thesis (Th. M.)--Regent College, Vancouver, BC, 1993. / Abstract and vita. Includes bibliographical references (leaves 207-211).
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Leading believers to spiritual maturity through the examination and application of selected principles for spiritual growthPritchard, Jimmy D. January 1900 (has links)
Thesis (D. Min.)--Southwestern Baptist Theological Seminary, 1992. / Includes bibliographical references (leaves 158-163).
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The impact of formational prayer upon spiritual vitalityMahoney, Michael A. January 2007 (has links)
Thesis (D. Min.)--Ashland Theological Seminary, 2007. / Abstract. Includes bibliographical references (leaves 207-213).
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Lord teach us to pray more effectively using a model of prayer to impact the spiritual development of church leaders /Gilmore, Thomas W. January 2007 (has links)
Thesis (D. Min.)--Ashland Theological Seminary, 2007. / Abstract. Includes bibliographical references (leaves 172-178).
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