Zobrazeno 1 - 10 of 38 pro vyhledávání: '"I. G. Pitt"'
1
Dimethyl octamethyltricyclo[4.2.2.02,5]deca-3,7,9-triene-7,8-dicarboxylate (Cookson's diester) revisited: Cope rearrangement and epoxidation site selectivity
Autor: I. G. Pitt, Richard A. Russell, Edward R. T. Tiekink, G. M. Elsey, Ronald N. Warrener
Publikováno v: Tetrahedron Letters. 35:1075-1078
Dimethyl octamethyltricyclo[4.2.2.0 2,5 ]deca-3,7,9-triene-7,8-dicarboxylate (Cookson's diester) ( 8 ) is rearranged thermally via a double Cope reaction to its ring-degenerate isomer ( 14 ). The structure of diester ( 8 ) (indirectly) and the rearra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3dc8bed346beb23ee38f069091407c2f
https://doi.org/10.1016/s0040-4039(00)79969-2
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2
ChemInform Abstract: New Thermal and Photochemical Routes to Dewar Furan and Other Isomers on the C4H4O Energy Surface. The Role of Isobenzofuran as a Trapping Agent
Autor: I. G. Pitt, R. N. Warrener, R. A. Russell
Publikováno v: ChemInform. 22
Photolysis of the specially synthesized substrate (39) leads to quantitative fragmentation into the phthalimide (56) and Dewar furan (4a). Dewar furan has only transient existence even at -65°, yet can be trapped effectively with isobenzofuran but n
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9738cc371b3d60a7a331cc9575c955cb
https://doi.org/10.1002/chin.199151146
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3
ChemInform Abstract: The Synthesis of Polarofacial Spacer Molecules: A New Twist in the Coupling of Ring Strained Olefins with Oxadiazoles
Autor: Wen Yan Liao, Douglas N. Butler, R. N. Warrener, I. G. Pitt, R. A. Russell
Publikováno v: ChemInform. 23
New approaches to the synthesis of rigid spacer molecules in which an oxygen-bridge bestows the facial polarity is described: attempts to couple 7-oxanorbornenes together using 1,3,4-oxadiazoles yields inverted, non linear products in a stereospecifi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::058f63c5ece4022a7671cfc34a7ad7e6
https://doi.org/10.1002/chin.199204146
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4
ChemInform Abstract: Reactions of Primary and Secondary Butoxy Radicals in Oxygen at Atmospheric Pressure
Autor: K. A. Sahetchian, J. Tardieu De Maleissye, A. Heiss, I. G. Pitt, V. Viossat
Publikováno v: ChemInform. 22
The reaction pathways of n-butoxy and s-butoxy radicals have been investigated by TLC and HPLC analysis of end products, particularly peroxides and carbonyl compounds. The butoxy radicals were produced by the pyrolysis of very low concentrations of t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ff829a6c5608bacecb363fb96198769
https://doi.org/10.1002/chin.199137083
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5
ChemInform Abstract: Towards the Synthesis of a Dewar Furan Stabilized by a Pinching Group. The Role of Dewar o-Xylylenes as Dienes and Dienophiles
Autor: I. G. Pitt, R. A. Russell, R. N. Warrener
Publikováno v: ChemInform. 22
The synthesis of a photosubstrate (42) suitable for the production of a Dewar furan (46) containing a four-carbon bridge at the 1,4-position is described. The route to this product illustrates an example of transfer technology in synthesis, by using
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6eb73deb255696c807604285bd8bf32e
https://doi.org/10.1002/chin.199151147
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6
ChemInform Abstract: The Synthesis of Spacer Molecules Containing an Alcohol Group at Each Terminus
Autor: Paul W. Groundwater, R. A. Russell, I. G. Pitt, R. N. Warrener, Douglas N. Butler
Publikováno v: ChemInform. 23
New spacer molecules are reported which contain alcohol functional groups at each end of the rigid carbocyclic framework. Simple coupling and extension reactions are used in their production thereby offering wide versatility in the shape, length and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9be58d2d01fc33cc856012de3e4a20da
https://doi.org/10.1002/chin.199204135
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8
ChemInform Abstract: Dimethyl Octamethyltricyclo(4.2.2.02,5)deca,3,7,9-triene-7,8- dicarboxylate (Cookson′s Diester) Revisited: Cope Rearrangement and Epoxidation Site Selectivity
Autor: Edward R. T. Tiekink, Richard A. Russell, G. M. Elsey, I. G. Pitt, Ronald N. Warrener
Publikováno v: ChemInform. 25
Dimethyl octamethyltricyclo[4.2.2.0 2,5 ]deca-3,7,9-triene-7,8-dicarboxylate (Cookson's diester) ( 8 ) is rearranged thermally via a double Cope reaction to its ring-degenerate isomer ( 14 ). The structure of diester ( 8 ) (indirectly) and the rearra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb00bea1c03907685e0cc92c8dba4886
https://doi.org/10.1002/chin.199426102
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9
ChemInform Abstract: Photoisomerisation of Bicyclo(4.2.0)octadienes to Tricyclo(4.2.0.02,5) octenes: Application to the Synthesis of (n)Ladderanes
Autor: Eric E. Nunn, Colin H. L. Kennard, I. G. Pitt, Ronald N. Warrener
Publikováno v: ChemInform. 25
A new approach for the extension of [n]ladderanes is described which involves formation of an end-fused bicyclo[4.2.0]octadiene and its photoisomerisation to the related tricyclo[4.2.0.02,5] octene as the ladderane extension step. The protocol is ill
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a0fa5c3d588ebfbbb4ce45c4eea8c32
https://doi.org/10.1002/chin.199423103
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