Zobrazeno 1 - 10
of 10
pro vyhledávání: '"G. Darren Smyth"'
Autor:
G. Darren Smyth, Stephen G. Davies
Methyl α- l -daunosaminide hydrochloride was synthesised in five steps from methyl ( E , E )-hexa-2,4-dienoate, via the conjugate addition of ( R )-lithium N -benzyl-α-methylbenzylamide, and osmium tetroxide catalysed dihydroxylation of the resulti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cd5f6f86ec56e51cb8800bee36519fb
https://doi.org/10.1016/0957-4166(96)00141-3
https://doi.org/10.1016/0957-4166(96)00141-3
Autor:
G. Darren Smyth, Stephen G. Davies
Highly stereoselective conjugate addition of lithium (R)-N-methyl-(α-methylbenzyl)amide to tert-butyl (E,E)-hexa-2,4-dienoate, followed by reduction of the ester to the corresponding alcohol, affords a substrate which undergoes, upon oxidation, a st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4abc34d5f700fee9302c994b5768840
https://doi.org/10.1039/p19960002467
https://doi.org/10.1039/p19960002467
Autor:
Dirk L. Elend, G. Darren Smyth, Stephen G. Davies, Paul M. Roberts, Andrew Smith, Christian A. P. Smethurst, Alexander N. Chernega
Publikováno v:
Tetrahedron. 63:7036-7046
A three-step protocol for the asymmetric synthesis of a range of β-substituted Baylis-Hillman products has been developed. This procedure involves the diastereoselective conjugate addition of lithium (R)-N-methyl-N-(α-methylbenzyl)amide to an α,β
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62ae53f7b40e5b34be73497401ed54e2
https://doi.org/10.1016/j.tet.2007.05.015
https://doi.org/10.1016/j.tet.2007.05.015
Publikováno v:
Tetrahedron: Asymmetry. 11:2437-2441
The conjugate addition of (R)-N-methyl-N-α-methylbenzyl amide to tert-butyl cinnamate followed by an asymmetric aldol reaction and subsequent N-oxidation/Cope elimination affords β-substituted homochiral Baylis-Hillman products in good yield. Copyr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84752b4bccf65ed14ef11efc93a9f0aa
https://doi.org/10.1016/s0957-4166(00)00224-x
https://doi.org/10.1016/s0957-4166(00)00224-x
Publikováno v:
J. Chem. Soc., Perkin Trans. 1. :731-737
1-Methylthio-1-p-tolylsulfonylprop-2-ene 2 underwent 1,3-rearrangement under conditions of radical initiation with migration of the p-tolylsulfonyl group by a process considered to have involved addition–elimination of arylsulfonyl radicals. In con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3713a38db9d98d96dcf1e6a44a93c89c
https://doi.org/10.1039/p19940000731
https://doi.org/10.1039/p19940000731
Publikováno v:
ChemInform. 31
The highly diastereoselective asymmetric conjugate addition of lithium (R)-N-benzyl-α-methylbenzylamide to methyl or tert-butyl (E,E)-hexa-2,4-dienoate, followed by osmium tetroxide-catalysed dihydroxylation of the resulting adducts, provides a conc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a96e2f26eed237476adc38a4a012a5b9
https://doi.org/10.1002/chin.200012233
https://doi.org/10.1002/chin.200012233
Publikováno v:
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1. (21)
The highly diastereoselective asymmetric conjugate addition of lithium (-4-A'-benzyl-a-methylbenzylamide to methyl or /ert-butyl (£,£)-hexa-2,4-dienoate, followed by osmium tetroxide-catalysed dihydroxylation of the resulting adducts, provides a co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bd91283528ba67c59f9e41ba4ddb73d
http://ora.ox.ac.uk/objects/uuid:d5d4f92f-cba6-49d9-8fe7-251b4f157693
http://ora.ox.ac.uk/objects/uuid:d5d4f92f-cba6-49d9-8fe7-251b4f157693
Autor:
Stephen G. Davies, G. Darren Smyth
Publikováno v:
TETRAHEDRON-ASYMMETRY. 7(4)
Stereoselective conjugate addition of ( R )-lithium N , α -dimethylbenzylamide to tert -butyl( E , E )-hexa-2,4-dienoate, followed by reduction of the ester to the corresponding alcohol, affords a substrate which undergoes, on oxidation, a stereospe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::add2c959fe3483de22bc79260925e235
http://ora.ox.ac.uk/objects/uuid:6fb51fdc-f74b-4868-b4c3-6f23cd2e9bd8
http://ora.ox.ac.uk/objects/uuid:6fb51fdc-f74b-4868-b4c3-6f23cd2e9bd8
Autor:
Stephen G. Davies, G. Darren Smyth
Publikováno v:
Tetrahedron: Asymmetry. 7:1005-1006
The insect pheromone ( R )-sulcatol, 2-hydroxy-6-methylhept-5-ene, is synthesised via a stereoselective conjugate addition of ( R )-lithium N , α -dimethylbenzylamide to tert -butyl( E , E )-hexa-2,4-dienoate, Grignard addition, and stereospecific M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed3a1c3823a8c5cb9e36519e39083985
https://doi.org/10.1016/0957-4166(96)00103-6
https://doi.org/10.1016/0957-4166(96)00103-6
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