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Results: 1 to 20 of 169

1.

Asymmetric aldol reactions between acetone and benzaldehydes catalyzed by chiral Zn2+ complexes of aminoacyl 1,4,7,10-tetraazacyclododecane: fine-tuning of the amino-acid side chains and a revised reaction mechanism.

Itoh S, Tokunaga T, Sonoike S, Kitamura M, Yamano A, Aoki S.

Chem Asian J. 2013 Sep;8(9):2125-35. doi: 10.1002/asia.201300308. Epub 2013 Jun 18.

PMID:
23780779
[PubMed - indexed for MEDLINE]
3.

One-pot chemoenzymatic synthesis of chiral 1,3-diols using an enantioselective aldol reaction with chiral Zn2+ complex catalysts and enzymatic reduction using oxidoreductases with cofactor regeneration.

Sonoike S, Itakura T, Kitamura M, Aoki S.

Chem Asian J. 2012 Jan 2;7(1):64-74. doi: 10.1002/asia.201100584. Epub 2011 Dec 15.

PMID:
22174123
[PubMed - indexed for MEDLINE]
4.

Photolysis of the sulfonamide bond of metal complexes of N-dansyl-1,4,7,10-tetraazacyclododecane in aqueous solution: a mechanistic study and application to the photorepair of cis,syn-cyclobutane thymine photodimer.

Aoki S, Tomiyama Y, Kageyama Y, Yamada Y, Shiro M, Kimura E.

Chem Asian J. 2009 Apr 6;4(4):561-73. doi: 10.1002/asia.200800428.

PMID:
19165842
[PubMed - indexed for MEDLINE]
5.

Small peptides catalyze highly enantioselective direct aldol reactions of aldehydes with hydroxyacetone: unprecedented regiocontrol in aqueous media.

Tang Z, Yang ZH, Cun LF, Gong LZ, Mi AQ, Jiang YZ.

Org Lett. 2004 Jun 24;6(13):2285-7.

PMID:
15200341
[PubMed - indexed for MEDLINE]
6.

Catalytic enantioselective domino oxa-michael/aldol condensations: asymmetric synthesis of benzopyran derivatives.

Sundén H, Ibrahem I, Zhao GL, Eriksson L, Córdova A.

Chemistry. 2007;13(2):574-81.

PMID:
17039558
[PubMed - indexed for MEDLINE]
7.

Nanosheet-enhanced asymmetric induction of chiral α-amino acids in catalytic aldol reaction.

Zhao LW, Shi HM, Wang JZ, He J.

Chemistry. 2012 Nov 26;18(48):15323-9. doi: 10.1002/chem.201202604. Epub 2012 Oct 16.

PMID:
23074138
[PubMed - indexed for MEDLINE]
8.

Zn-proline catalyzed direct aldol reaction in aqueous media.

Darbre T, Machuqueiro M.

Chem Commun (Camb). 2003 May 7;(9):1090-1.

PMID:
12772917
[PubMed - indexed for MEDLINE]
9.

Syntheses of 8-quinolinolatocobalt(III) complexes containing cyclen based auxiliary ligands as models for hypoxia-activated prodrugs.

Chang JY, Stevenson RJ, Lu GL, Brothers PJ, Clark GR, Denny WA, Ware DC.

Dalton Trans. 2010 Dec 28;39(48):11535-50. doi: 10.1039/c0dt01142h. Epub 2010 Nov 22.

PMID:
21103540
[PubMed - indexed for MEDLINE]
10.

Guanidine is a Zn(2+)-binding ligand at neutral pH in aqueous solution.

Aoki S, Iwaida K, Hanamoto N, Shiro M, Kimura E.

J Am Chem Soc. 2002 May 15;124(19):5256-7.

PMID:
11996552
[PubMed - indexed for MEDLINE]
11.

Optimization of catalyst enantioselectivity and activity using achiral and meso ligands.

Costa AM, Jimeno C, Gavenonis J, Carroll PJ, Walsh PJ.

J Am Chem Soc. 2002 Jun 19;124(24):6929-41.

PMID:
12059216
[PubMed - indexed for MEDLINE]
12.

Recognition of thymine and related nucleosides by a Zn(II)-cyclen complex bearing a ferrocenyl pendant.

Gasser G, Belousoff MJ, Bond AM, Kosowski Z, Spiccia L.

Inorg Chem. 2007 Mar 5;46(5):1665-74. Epub 2007 Feb 7.

PMID:
17284025
[PubMed - indexed for MEDLINE]
13.

C-branched chiral (racemic) macrocyclic amino acids: structure of their Ni(II), Zn(II) and Cu(II) complexes.

Pellico D, Gómez-Gallego M, Escudero R, Ramírez-López P, Oliván M, Sierra MA.

Dalton Trans. 2011 Sep 28;40(36):9145-53. doi: 10.1039/c1dt10539f. Epub 2011 Aug 8.

PMID:
21822522
[PubMed - indexed for MEDLINE]
14.

Chiral phosphinoferrocene carboxamides with amino acid substituents as ligands for Pd-catalysed asymmetric allylic substitutions. Synthesis and structural characterisation of catalytically relevant Pd complexes.

Tauchman J, Císařová I, Stěpnička P.

Dalton Trans. 2011 Nov 28;40(44):11748-57. doi: 10.1039/c1dt11230a. Epub 2011 Oct 3.

PMID:
21964571
[PubMed - indexed for MEDLINE]
15.

A new zinc(II) fluorophore 2-(9-anthrylmethylamino)ethyl-appended 1,4,7,10-tetraazacyclododecane.

Aoki S, Kaido S, Fujioka H, Kimura E.

Inorg Chem. 2003 Feb 24;42(4):1023-30.

PMID:
12588134
[PubMed - indexed for MEDLINE]
16.

D-Glucosamine in a chimeric prolinamide organocatalyst for direct asymmetric aldol addition.

De Nisco M, Pedatella S, Bektaş S, Nucci A, Caputo R.

Carbohydr Res. 2012 Jul 15;356:273-7. doi: 10.1016/j.carres.2012.03.041. Epub 2012 Apr 18.

PMID:
22575747
[PubMed - indexed for MEDLINE]
17.

Direct asymmetric aldol reactions inspired by two types of natural aldolases: water-compatible organocatalysts and Zn(II) complexes.

Paradowska J, Pasternak M, Gut B, Gryzło B, Mlynarski J.

J Org Chem. 2012 Jan 6;77(1):173-87. doi: 10.1021/jo201584w. Epub 2011 Dec 19.

PMID:
22136201
[PubMed - indexed for MEDLINE]
18.

1,4,7,10-tetraazacyclododecane metal complexes as potent promoters of carboxyester hydrolysis under physiological conditions.

Subat M, Woinaroschy K, Anthofer S, Malterer B, König B.

Inorg Chem. 2007 May 14;46(10):4336-56. Epub 2007 Apr 20.

PMID:
17444638
[PubMed - indexed for MEDLINE]
19.

Exploring the aldol reaction using catalytic antibodies and "on water" organocatalysts from QM/MM calculations.

Armacost K, Acevedo O.

J Am Chem Soc. 2014 Jan 8;136(1):147-56. doi: 10.1021/ja405614p. Epub 2013 Dec 17.

PMID:
24344918
[PubMed - indexed for MEDLINE]
20.
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