Results 221 to 230 of about 30,863 (282)

Redirecting a Native Ene-Reductase Toward Desaturation With Reverse Enantioselectivity. [PDF]

Angew Chem Int Ed Engl
Zeng QQ, Berga C, Calvó-Tusell C, Garcia-Borràs M, Liu Z.   +4 more
europepmc   +1 more source

Stereoselective cyano translocation reaction enabled by photoenzymatic catalysis. [PDF]

Nat Commun
Duan X, Xu J, Bai R, Jin C, Chu Y, Wu G, Pan L, Yang C, Wang Z, Xu J.   +9 more
europepmc   +1 more source

Asymmetric synthesis of alkyl fluorides <i>via</i> biocatalytic reduction of α-fluoroenones and α-fluoroenoates.

Green Chem
Allan H, Wang Y, Winterson B, King A, Aliev AE, Szpara R, Laserna V, Coomber CE, Ward JM, Jeffries JWE, Hailes HC, Sheppard TD.   +11 more
europepmc   +1 more source

Do Reaction Conditions Affect the Stereoselectivity in the Staudinger Reaction?

Journal of Organic Chemistry, 2006
The stereochemistry is one of the critical issues in the Staudinger reaction. We have proposed the origin of the stereoselectivity recently. The effects of solvents, additives, and pathways of ketene generation on the stereoselectivity were investigated ...
Yong Liang, Yikai Wang, Jiaxi Xu
exaly   +2 more sources

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Stereoselective radical reactions

Chemical Society Reviews, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Gregory, Bar, Andrew F, Parsons
openaire   +2 more sources

Stereoselective synthesis of (−)-jimenezin

Tetrahedron Letters, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Cheol Hee Hwang, Gyochang Keum, Kyoung Il Sohn, Dong Hoon Lee, Eun Lee   +4 more
openaire   +1 more source

Stereoselective synthesis of (+)-boronolide

Tetrahedron Letters, 2005
Abstract An efficient enantio- and stereocontrolled total synthesis of (+)-boronolide from valeraldehyde is described. The key steps include a Sharpless asymmetric dihydroxylation, a chelation controlled Grignard reaction followed by Sharpless asymmetric epoxidation and a ring closing metathesis.
S. Vasudeva Naidu, Priti Gupta, Pradeep Kumar   +2 more
openaire   +1 more source

Stereoselective Cyclopropanation Reactions

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Hélène, Lebel, Jean-François, Marcoux, Carmela, Molinaro, André B, Charette   +3 more
openaire   +2 more sources

Stereoselective Synthesis of (‐)‐Allosedamine.

ChemInform, 2004
Abstract A stereoselective synthesis of (−)-allosedamine is disclosed. β-Aminosulfoxide 4 was generated stereoselectively by condensation of the sulfinyl anion 2 with N-Ts imine 3 . The bromohydrin 5 was obtained by intramolecular sulfinyl group participation and the piperidine ring of allosedamine was elaborated using the ring-closing ...
Sadagopan Raghavan, A. Rajender
openaire   +1 more source