Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Dennis M. Page"'
Publikováno v:
Tetrahedron. 55:3245-3254
Ring closures of the 2-allyloxytetrahydropyran-3-yl radical 1b , its mono-oxa analog 1d and the all carbon system 1a give mainly the cis-fused syn-substituted bicyclononylcarbinyl radicals 2b, 2d and 2a , but the mono-oxa radical 1c gives mainly the
Publikováno v:
The Journal of Organic Chemistry. 63:5144-5153
The influence of the anomeric effect on radical cyclization has been examined by determining the stereochemical outcome of the ring closure of 10 suitably substituted radicals. The stereochemistry of the products formed from the acyclic precursors 4a
Autor:
Regine Blattner, Dennis M. Page
Publikováno v:
Journal of Carbohydrate Chemistry. 13:27-36
Addition of alkyl radicals to levoglucosenone (5) gave 4-C-alkyl-1,6-anhydro-3,4-dideoxy-β-d-erythro-hexopyranos-2-uloses 7 in moderate to good yields. The 4-C-phenyl ethyl derivative 7a was converted by reduction and methylation to the methylene is
Autor:
Dennis M. Page, Christina L.L. Chai
Publikováno v:
Tetrahedron Letters. 34:4373-4376
The polar character of a simple piperazine-2,5-dione was investigated under intermolecular radical addition conditions. The results indicate that captodative radical of this kind neither show extreme nucleophilic nor electrophilic tendencies.
Autor:
Regine Blattner, Dennis M. Page
Publikováno v:
ChemInform. 25
Addition of alkyl radicals to levoglucosenone (5) gave 4-C-alkyl-1,6-anhydro-3,4-dideoxy-β-d-erythro-hexopyranos-2-uloses 7 in moderate to good yields. The 4-C-phenyl ethyl derivative 7a was converted by reduction and methylation to the methylene is
Publikováno v:
ChemInform. 29
The influence of the anomeric effect on radical cyclization has been examined by determining the stereochemical outcome of the ring closure of 10 suitably substituted radicals. The stereochemistry of the products formed from the acyclic precursors 4a
Publikováno v:
ChemInform. 30