A enantioselective

Nagel, U., Rieger, B., and Bublewitz, A., Enantioselective catalysis. VII. Complexes from [P(R/S),3R,4R,P (R,S)]-3,4-bis(phenylphosphino)pyrrolidine. Preparation of optically pure 1,2-biphosphine ligands with four stereocenters containing additional functional groups, /. Organomet. Chem., 370, 223, 1989. [Pg.109]

Keyword Carbocycles a Cascade Reactions a Cycloadditions a Combinatorial Chemistry a Domino Reactions a Enantioselective Transformations a Ene Reactions a Eieterocydes a Natural products a Preservation of Resources and Environment a Sigmatropic Rearrangements a Tandem Reactions a Transition Metal-Catalyzed Transformations... [Pg.39]

Keywords Asymmetric Catalysis a Natural Product Synthesis a Chiral Metal-Based Complexes a Enantioselective C-C Bond Formation a Enantioselective C-O Bond Formation... [Pg.145]

Bonnemann, H. and Braun, G.A., Enantioselectivity control with metal colloids as catalyst, Chem. -Eur. J., 3, 1200, 1997. [Pg.92]

Miller, B. L. Bonner, W. A. Enantioselective autocatalysis. III. Configurational and conformational studies on a 1,4-benzodiazepinooxazole derivative. Orig. Life Evol. Biosph. 1995, 25, 539-547. [Pg.37]

Mosandl A, Enantioselective capillary gas chromatography and stable isotope ratio mass spectrometry in the authenticity control of flavors and essential oils, Food Rev Int. 537—SSA, 1995. [Pg.177]

Maas B, Dietrich A, Mosandl A, Enantioselective capillary gas chromatography — Olfactometry in essential oil analysis, Naturwissenschafien 80 470 72,1993. [Pg.185]

Jenniskens LHD, Groot A, Enantioselective synthesis of R-(-)-Ligularenolide and the progesterone receptor figand R-(-)- PF1092C starting from S-(+)-carvone, Tetrahedron 54 5617—5622, 1998. [Pg.469]

Figure 3.7 (See color insert following page 414.) (A) Enantioselective transport of...

Color Figure 3.7 (A) Enantioselective transport of (S)-ibuprofen by means of ionic liquid flow within a microfluidic device. (B, Bottom) Photographs of the three-phase flow in the microchannel (a) center near the inlets of the microchannel, (b and c) arc of the microchannel, and (d) center near the outlets of the microchannel. Flow rates of the aqueous phase and the ionic liquid flow phase in (a-d) were 1.5 and 0.3 mL/h, respectively. (Reprinted from Huh, Y.S., Jun, Y.S., Hong, Y.K., Hong, W.H., and Kim, D.H., /. Mol. Caial. B, 43,96-101, 2006. Copyright 2006 Elsevier. With permission.)... [Pg.420]

A Enantioselective multidimensional gas chromatography (MDGC)-mass spectrometry (MS), B gas chromatography (GC)-isotope ratio mass spectrometry (IRMS) multielement analysis (5 C, values), C enantiomeric purity (%), D total percentage (%)... [Pg.393]

Lightfoot, A., Schnider, P. and Pfaltz, A. Enantioselective Hydrogenation of Olefins with Iridium-Phosphanodihydrooxazole Catalysts. Angew. Chem. Int. Ed. 1998, 37, 2897-2899. [Pg.30]

A. Enantioselective Addition of Dialkylzincs to Aldehydes using Lewis... [Pg.555]

Minder, B., Mallat, T., Pickel, K.H., Steiner, K., Baiker, A. Enantioselective Hydrogenation of Pyruvate in Supercritical Fluids. Catalysis Letters. 1995, 34, 1-9. [Pg.508]

Evans, RA. and Brandt, T.A., Enantioselective palladium-catalysed allylic alkylation using E- and Z-vinylogous sulfonates, Org. Lett., 1999, 1, 1563-1565. [Pg.41]

Seelig, B., Keiper, S., Stuhlmann, F., Jaschke, A. Enantioselective ribozyme catalysis of a bimolecular cycloaddition reaction. Angew. Chem.. hit. Ed. Engl. 39, 4576 4-579 (2000). [Pg.112]

A. Enantioselective Photoreactions of Achiral Molecules Which Have an Attached Chiral Auxiliary... [Pg.402]

The intramolecular aldol reactions reported so far can be divided into two different types. The first is a enantioselective aldol reaction starting from a dicarbonyl compounds of type 81. In these reactions, products with two stereogenic centers, 82, are formed. The reaction is shown in Scheme 6.39, Eq. (1). These products can be converted into derivatives, particularly lactones. [Pg.166]

Denmark, S. E. Barsanti, P. A. Wong, K.-T. Stavenger, R. A. Enantioselective ring-opening of epoxides with SiCLj in the presence of a chiral Lewis base./. Org. Chem. 1998, 63, 2428-2429. [Pg.140]

Hammerschmidt, F. Hanninger, A. Enantioselective deproto nation of benzyl phosphates by homochiral lithium amide bases. Configurational stability of benzyl carbanions with a dialkoxyphosphoryloxy substituent and their rearrangement to optically active a-hydroxy phosphonates. Chem. Ber. 1995, 328, 823-830. Avolio, S. Malan, C. Marek, I. Knochel, P. Preparation and reactions of functionalized magnesium carbenoids. Synlett 1999, 1820-1822. [Pg.215]

RE Taylor, GM Galvin, KA Hilfiker, Y Chen. A formal total synthesis of epothilone A enantioselective preparation of the C1-C6 and C7-C12 fragments. J Org Chem 63 9580-9583, 1998. [Pg.225]

The chemistry of magnesium bis-amides has been reviewed.21 Magnesium bis-amides have been used for the region- and stereoselective formation of enolates.2 a Enantioselective enolization with chiral magnesium amides has been applied in asymmetric synthesis.23 233... [Pg.34]

In this paper we have described a design approach for heterogeneous enantioselective catalysts. The approach is based upon modification of the counter-cation of zeolites or mesoporous alumino-silicates with a suitable chiral ligand.7 We have demonstrated the approach with two examples (a) enantioselective aziridination of alkenes using Cu2+-exchanged zeolite Y modified with chiral oxazolines and (b) the modification of... [Pg.102]

Enders D, Dyker H, Raabe G (1993 a) Enantioselective aldol reactions with a phosphoenolpuryvate equivalent asymmetric synthesis of 4-hydroxy-2-oxocarboxylic acid esters. Angew Chem Int Ed Engl 32 421-423... [Pg.112]

Johnston, J.N., and Paquette, L/A. 1995. Studies Directed toward the Total Synthesis of Polycavemoside A. Enantioselective Synthesis of the Disaccharide Component. Tetrahedron Letters 36(25), 4341 344. [Pg.295]

Cozzi, P. G. Tagliavini, E. Umani-Ronchi, A. Enantioselective Addition of Allylic Silanes and Stannanes to Aldehydes Mediated by Chiral Lewis Acids, Gazz. Chim. Ital. 1997,127, 247-254. [Pg.5]

A. Enantioselective Binding of Drugs to Binding Site i of Serum Aibumin... [Pg.341]

Rohloff, J C, Alfredson, T V, Schwartz, M A, Enantioselective synthesis of 5-LO inhibitors using a gulofuranose auxiliary, Tetrahedron Lett., 35, 1011-1014, 1994. [Pg.501]

Li, M., Tian, A. Enantioselective reduction of 3,3-dimethyl-butanone-2 with borane catalyzed by oxazaborolidine. Part 1. Quantum chemical computations on the structures and properties of catalyst and catalyst-borane-ketone adducts. THEOCHEM 2001, 544, 25-35. [Pg.565]

Enders, D., Plant, A. Enantioselective synthesis of a-substituted nitriles by oxidative cleavage of aldehyde SAMP-hydrazones with magnesium monoperoxyphthalate. Syn/eff 1994,1054-1056. [Pg.580]

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