Výsledky vyhledávání - "Philippe Kernen"

'Naked sugars of the second generation': Asymmetric synthesis of long-chain polypropionates and analogues starting with acetone

Autor: Philippe Kernen, Maciej Bialecki, A.‐F. Sevin, Pierre Vogel

Publikováno v: Pure and Applied Chemistry. 68:719-722

Homochiral Diels-Alder adduct of 2,4-dimethylfuran to 1-cyanovinyl (1'R)- or (1'S)-camphanate are transformed readily into polypropionate fragments containing four or five contiguous stereogenic centres. They can be condensed via cross-aldolizations

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15bd18446a783309b3f0367651359882
https://doi.org/10.1351/pac199668030719

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Synthesis of Polypropionate Fragments Containing Tertiary-Alcohol Moieties. Cross-aldolisations with lithium enolates of 7-oxabicyclo[2.2.1]heptan-2-one derivatives

Autor: Philippe Kernen, Pierre Vogel

Publikováno v: Helvetica Chimica Acta. 78:301-324

The Diels-Alder adduct of 2,4-dimethylfuran to 1-cyanovinyl (1'R)-camphanate ((+)-(1R,2S,4R)-2-exo-cyano-1,5-dimethyl-7-oxabicyclo[2.2.1]hept-5-en-2- endo-yl (1'R)-camphanate ((+)-1)) was converted into (+)-2,7-dideoxy-2,4-di-C-methyl-L-glycero-((+)-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c044a9af446839d75ef7f17e83713bd
https://doi.org/10.1002/hlca.19950780205

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The Homoconjugated Electron-Releasing Carbonyl Group of 1-Methylbicyclo[2.2.1]hept-5-en-2-one. Regioselective syntheses of 5-chloro- and 6-chloro-1-methylbicyclo[2.2.1]hept-5-en-2-one

Autor: Pierre Vogel, Philippe Kernen

Publikováno v: Helvetica Chimica Acta. 76:2338-2343

Syntheses of (+/-)-2-exo-cyano-1-methyl-7-oxabicyclo[2.2.1]hept-5-en-2-endo-yl acetate (1) and of (+/-)-1-methyl-7-oxabicyclo[2.2.1]hept-5-en-2-one (2) are reported. The additon of PhSeCl to 1 afforded (+/-)-5-endo-chloro-2-exo-cyano-1-methyl-6-exo-(

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a17b6707ba896bdbab0fc351014686d9
https://doi.org/10.1002/hlca.19930760619

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Total asymmetric synthesis of polypropionate fragments and doubly branched heptono-1,4-lactones

Autor: Pierre Vogel, Philippe Kernen

Publikováno v: Tetrahedron Letters. 34:2473-2476

2-Cyano-1,5-dimethyl-7-oxabicyclo[2.2.1]hept-5-en-2-yl (1'R)-camphanate ((+)-3)and (+)-(1R,4R)-1,5-dimethyl-7-oxabicyclo[2.2.1]hept-5-en-2-one ((+)-4) were obtained readily from 3,4-dimethylfuran. (+)-3 was converted into 2,7-dideoxy-2,4-di-C-methyl-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::deb286ebb032ed43c764d4e5cf4a4bf2
https://doi.org/10.1016/s0040-4039(00)60444-6

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ChemInform Abstract: The Homoconjugated Electron-Releasing Carbonyl Group of 1- Methylbicyclo(2.2.1)hept-5-en-2-one. Regioselective Syntheses of 5- Chloro- and 6-Chloro-1-methylbicyclo(2.2.1)hept-5-en-2-one

Autor: Pierre Vogel, Philippe Kernen

Publikováno v: ChemInform. 24

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1bdcfda3776592170e5c2ffba3331729
https://doi.org/10.1002/chin.199352160

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