Zobrazeno 1 - 10
of 338
pro vyhledávání: '"Peter S. Rutledge"'
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 55:436-439
The structures of 1-methoxy-4-(2-methylprop-2-enyloxy)-2-[(2R,6R)-4,4,6-trimethyl-1,3-dioxan-2-yl]anthraquinone, C 26 H 28 O 6 , and 4-hydroxy-3-(2-methylprop-2-enyl)-2-[(2R,6R)-4,4,6-trimethyl-1,3-dioxan-2-yl]anthraquinone, C 25 H 26 O 5 , have been
Publikováno v:
Journal of Natural Products. 60:1303-1306
Floribundal (1), the first example of a nonglycosidic bisiridoid has been isolated from the heartwood of Scaevola floribunda and its structure and relative stereochemistry determined by NMR spectroscopy and molecular modeling. The aglycon 2 of logani
Publikováno v:
Organic Preparations and Procedures International. 29:365-407
(1997). REDUCTIVE CLAISEN REARRANGEMENTS OF ALLYLOXYANTHRAQUINONES. A REVIEW. Organic Preparations and Procedures International: Vol. 29, No. 4, pp. 365-407.
Autor:
Paul D. Woodgate, Richard C. Cambie, Ralph J. Stevenson, Peter S. Rutledge, Michael J. Taylor
Publikováno v:
Magnetic Resonance in Chemistry. 34:360-364
Conformational changes in N,N-diethyl-14-hydroxy-12,19-dimethoxypodocarpa-8,11,13-triene-13-carboxamide were studied by variable-temperature 1H and 13C NMR over the range 228–328 K using three hydrogen and six carbon indicator sites. The parameters
Publikováno v:
Synthetic Communications. 26:715-720
Reductive Claisen rearrangement of allyloxyanthraquinones can be carried out effectively with sodium metabisulfite. Unlike sodium dithionite, the reagent does not effect loss of methoxy groups para to the rearranging allyl group.
Autor:
Richard C. Cambie, Paul D. Woodgate, Sally A. Coulson, George R. Clark, Sheryl L. Coombe, Peter S. Rutledge
Publikováno v:
Journal of Organometallic Chemistry. 507:1-21
Double nucleophilic aromatic substitution reactions between N-substituted (ν6-1,2-dichlorobenzene)RuCp+ salts and substituted 1,2-benzenediols have been carried out under mild conditions to prepare N-substituted (ν6-dibenzo[b,e][1,4]dioxin)rutheniu
Publikováno v:
Journal of Organometallic Chemistry. 486:199-210
Functionalization of the ( η 6 -arene)tricarbonylchromium(O) complexes of some podocarpic acid ( 1 ) derivatives has been achieved through the addition-protonation route. The resulting dienol ethers underwent acid-promoted hydrolysis giving enones w
Publikováno v:
Journal of Organometallic Chemistry. 474:31-41
Three podocarpic acid ( 1 ) derivatives have been converted into benzannulated derivatives via directed ortho metallation followed by lithium-copper( I ) transmetallation, alkylation and cyclization.
Publikováno v:
Journal of Organometallic Chemistry. 471:149-155
Modification of ring A via radical decarboxylation of the 19-carboxylic acid 2 to give the 4(18)-exo-methylene diterpenoid 6, followed by functionalization of ring C via addition-oxidation of the (η6-arene)tricarbonylchromium(0) complex 13, has been
Publikováno v:
Tetrahedron Letters. 35:3345-3348
Fridamycin E, derivatives of ent -fridamycin E and enantiopure intermediates for vineomycins have been synthesised using a titanium(IV)-mediated addition of ( l )-menthyl acetate to acetonyl-substituted anthrarufin ethers.