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Tetrahedron: Asymmetry, ISSN 0957-4166, 1991, Volume 2, Issue 8, pp. 793 - 796
Radical-mediated cyclization of norephedrine derived α-iodoamides 1 was found to be highly stereoselective (>-97:3) favouring diastereoisomer 2. Transition... 
OXAZOLIDINES | CHEMISTRY, ORGANIC | CHEMISTRY, PHYSICAL | ALPHA,BETA-UNSATURATED CARBONYL-COMPOUNDS | ALLYLIC STEREOCENTER | CONFORMATIONS | CHEMISTRY, INORGANIC & NUCLEAR | TRANSITION STRUCTURES | ESTERS | FORCE-FIELD | ADDITIONS | MOLECULAR MECHANICS | RING-CLOSURE
Journal Article
TETRAHEDRON, ISSN 0040-4020, 08/1991, Volume 47, Issue 32, pp. 6275 - 6286
beta-hydroxydithioesters 8-14 were easily doubly deprotonated to afford one single dianion whose cis geometry results from chelation control. These dianions... 
FACE SELECTIVITY | MODELING CHEMICAL-REACTIVITY | ACYCLIC STEREOSELECTION | 2,2-DISUBSTITUTED CYCLOHEXANONES | DIELS-ALDER REACTIONS | DIASTEREOFACIAL SELECTIVITY | ASYMMETRIC INDUCTION | STEREOCHEMICAL CONTROL | CHEMISTRY, ORGANIC | WITTIG-STILL REARRANGEMENT | ALLYLIC STEREOCENTER
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 1991, Volume 32, Issue 39, pp. 5401 - 5404
A new approach to the synthesis of alkene dipeptide isosteres is reported which features the use of the [2,3]-Wittig-Still rearrangement, carried out in... 
ETHERS | ASYMMETRIC INDUCTION | AMIDE BOND SURROGATES | ENKEPHALIN ANALOG | DIASTEREOCONTROL | CHEMISTRY, ORGANIC | ANTIBODY | PEPTIDE-BOND | INHIBITORS | ALLYLIC STEREOCENTER | STEREOCONTROLLED SYNTHESIS
Journal Article
SYNTHESIS-STUTTGART, ISSN 0039-7881, 12/1991, Issue 12, pp. 1083 - 1089
A comparative study was made of the reaction of chiral non-racemic gamma-alkoxy and gamma-ureido-alpha,beta-unsaturated esters with lithium dimethylcuprate in... 
RCU.BF3 | ORGANOCOPPER REAGENTS | ENANTIOSELECTIVE SYNTHESIS | LEWIS ACID | ENONES | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | ALPHA | BETA-ALKYL | ALLYLIC STEREOCENTER | STEREOSELECTIVE SYNTHESIS
Journal Article
Tetrahedron, ISSN 0040-4020, 1992, Volume 48, Issue 19, pp. 3945 - 3960
Radical-mediated cyclization of norephedrine derived α-iodoamides 1 was found to be highly stereoselective (≥97:3) favouring diastereoisomer 2. Bicyclic... 
ORGANIC-SYNTHESIS | CHAIN REACTIONS | CONFORMATIONAL SPACE | ESTERS | CHEMISTRY, ORGANIC | ALPHA,BETA-UNSATURATED CARBONYL-COMPOUNDS | FORCE-FIELD | ADDITIONS | ALLYLIC STEREOCENTER | MOLECULAR MECHANICS | RING-CLOSURE
Journal Article
Tetrahedron, ISSN 0040-4020, 1992, Volume 48, Issue 31, pp. 6425 - 6438
A new approach to the synthesis of alkene dipeptide isosteres is reported which features the use of the [2,3]-Wittig-Still rearrangement, carried out in... 
ORGANIC-SYNTHESIS | DOUBLE-BOND ISOSTERE | ASYMMETRIC INDUCTION | ENKEPHALIN ANALOG | CHEMISTRY, ORGANIC | TRANSITION-STATE | PEPTIDE-BOND | SUBSTRATE-ANALOG INHIBITORS | AMIDE BOND | ALLYLIC STEREOCENTER | STEREOCONTROLLED SYNTHESIS
Journal Article
TETRAHEDRON LETTERS, ISSN 0040-4039, 02/1993, Volume 34, Issue 7, pp. 1103 - 1106
Advanced intermediates 22 and 23. representing the C1-C11 subunit of the ionophore zincophorin, have been prepared by a scheme incorporating sequential... 
GRISEOCHELIN | ETHERS | ASYMMETRIC INDUCTION | DIASTEREOCONTROL | CHEMISTRY, ORGANIC | WITTIG-STILL REARRANGEMENT | ALLYLIC STEREOCENTER | STEREOSELECTIVE SYNTHESIS
Journal Article
Canadian Journal of Chemistry, ISSN 0008-4042, 08/1995, Volume 73, Issue 8, pp. 1251 - 1257
Samarium in the presence of diiodomethane selectively cyclopropanates an allenic alcohol to yield a methylenecyclopropane with modest to excellent... 
nickel | methylenecyclopropane | palladium | oxabicyclic | stereocontrol | PALLADIUM | ORGANIC-SYNTHESIS | STEREOCONTROL | OXABICYCLIC COMPOUNDS | METHYLENECYCLOPROPANES | CYCLOPROPANATION | TRIMETHYLENEMETHANE | CHEMISTRY, MULTIDISCIPLINARY | CYCLO-ADDITION | ALCOHOLS | NICKEL | MULTIPLE STEREOCENTERS | CYCLOADDITIONS | OXABICYCLIC | METHYLENECYCLOPROPANE | MEVINIC ACIDS
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 1996, Volume 37, Issue 11, pp. 1727 - 1730
The 2-methylene-7-oxabicyclo[2.2.1]heptane 2 and 6-methylene-8-oxabicyclo[3.2.1]octanes 15 and 16 were prepared in enantiomerically enriched form, and shown to... 
ACYCLIC COMPOUNDS | ROUTE | FURAN | REAGENTS | PRECURSOR | 7-OXABICYCLO<2.2.1>HEPT-2-ENE DERIVATIVES | MULTIPLE STEREOCENTERS | DIELS-ALDER REACTION | CHEMISTRY, ORGANIC | STEREOSPECIFIC SYNTHESIS | CATIONS
Journal Article
Synthesis, ISSN 0039-7881, 1996, Issue 6, pp. 669 - 686
The scope and limitations of reactions involving attack of nucleophiles and reagents at the double bond of oxa-n-cyclo systems, that result in migration of the... 
oxabicyclo | ring openening | S(N)2' reaction | oxatricyclo | allylic rearrangement | ORGANOMETALLIC COMPOUNDS | FURAN DIENE | OXABICYCLIC COMPOUNDS | EFFICIENT SYNTHESIS | CHEMISTRY, ORGANIC | STEREOSPECIFIC SYNTHESIS | ORGANOLITHIUM REAGENTS | ELIMINATION-REACTIONS | SUBSTITUTED CYCLOHEXENEDIOLS | ring opening | MULTIPLE STEREOCENTERS | DIELS-ALDER REACTION
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 11/1996, Volume 118, Issue 44, pp. 10774 - 10782
Rhodium(II) carboxylate catalyzed decomposition of vinyldiazomethanes in the presence of furans results in a general synthesis of... 
ENANTIOSELECTIVE SYNTHESIS | MULTIPLE STEREOCENTERS | RING-OPENING REACTIONS | RHODIUM(II)-STABILIZED VINYLCARBENOIDS | OXABICYCLIC COMPOUNDS | CHEMISTRY | ACID-PROMOTED 3+4 | BETA-KETO-ESTERS | ORGANOLITHIUM REAGENTS | VERSATILE SYNTHESIS | CYCLOPROPANATION COPE REARRANGEMENT
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 07/1997, Volume 119, Issue 28, pp. 6478 - 6487
The reductive ring opening of oxabicyclic compounds has been achieved. While RMgBr/MgBr2 works in a few limited substrates, diisobutylaluminum hydride reacts... 
CATALYZED HYDROALUMINATION | HYDROSTANNATION | ALKENES | HYDROSTANNYLATION | HYDROBORATION | NICKEL | MULTIPLE STEREOCENTERS | COMPLEXES | CHEMISTRY | K DY CHEMISTRY | DERIVATIVES | ALUMINUM-HYDRIDE | Transition metals | Usage | Research | Metal catalysts | Metals | Quenching
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 1998, Volume 39, Issue 11, pp. 1437 - 1440
Isopropylidene diphenylsulfurane and isopropylidene triphenylphosphorane react by the same ( Re) face of the alkylidene malonate derived from the acetonide of... 
STEREOCENTER | DELTAMETHRIN | TARTARIC ACID | ORGANOCOPPER REAGENTS | STRAIGHTFORWARD ENANTIOSELECTIVE SYNTHESIS | PYRETHROIDS | CHEMISTRY, ORGANIC | CYCLOPROPANES | BIOLOGICALLY-ACTIVE INSECTICIDES | STEREOSELECTIVE SYNTHESIS | CONJUGATE ADDITION
Journal Article
Journal of the Brazilian Chemical Society, ISSN 0103-5053, 1998, Volume 9, Issue 4, pp. 303 - 312
This review summarizes the sequences recently developed for the total synthesis of the antiulcerogenic compounds (+)-cassiol and its glucoside (-)-cassioside.... 
Construction of quaternary carbon stereocenters | Enantioselective synthesis | enantioselective synthesis | construction of quaternary carbon stereocenters | ACID | POTENT ANTIULCEROGENIC COMPOUND | CHEMISTRY, MULTIDISCIPLINARY | CYCLOADDITIONS
Journal Article
Tetrahedron: Asymmetry, ISSN 0957-4166, 1998, Volume 9, Issue 17, pp. 3105 - 3114
meso-Diols derived from the Diels–Alder adduct 1,4-bis(hydroxymethyl)furan/dimethyl acetylenedicarboxylate can be enantioselectively monoacetylated under CRL... 
ORGANIC-SYNTHESIS | PORCINE PANCREATIC LIPASE | CATALYZED ASYMMETRIC HYDROLYSIS | NATURAL-PRODUCTS | CHEMISTRY, ORGANIC | CHEMISTRY, PHYSICAL | PSEUDOMONAS-CEPACIA | TRANSESTERIFICATION | CHEMISTRY, INORGANIC & NUCLEAR | CHIRAL BUILDING-BLOCKS | MULTIPLE STEREOCENTERS | BRIDGE CLEAVAGE | PIG-LIVER ESTERASE
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 05/1999, Volume 64, Issue 10, pp. 3538 - 3543
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 1999, Volume 40, Issue 33, pp. 5979 - 5982
The total syntheses of two acetogenins, squamocin A and squamocin D, have been achieved. The adjacent bis-THF subunit was constructed by a multiple Williamson... 
TETRAHYDROFURANIC ACETOGENINS | CHEMISTRY, ORGANIC | ANNONACEOUS ACETOGENINS | STEREOCENTERS | ASIMINECIN | (+)-PARVIFLORIN
Journal Article
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