Results 61 to 70 of about 14,639 (100)

Hydrophobic pocket engineering of arylmalonate decarboxylase expands its substrate scope towards the synthesis of the ( R )-enantiomers of sterically hindered carboxylic acids

van der Pol E, Krammer L, Eder J, Gross D, Fischer RC, Miyamoto K, Breinbauer R, Kourist R.   +7 more
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Stereoselective radical reactions

Chemical Society Reviews, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Gregory, Bar, Andrew F, Parsons
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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
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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
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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
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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
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Stereoselective synthesis of (+)-hyptolide

Tetrahedron Letters, 2003
Abstract The first total synthesis of the naturally occurring lactone (+)-hyptolide is described. Ethyl l -lactate was the chiral starting material. Key steps of this 15-step synthesis were a Brown's asymmetric allylation, a Carreira's asymmetric ethynylation and a ring closing metathesis.
Juan Murga, Jorge Garcia‐Fortanet, Miguel Carda, J. Alberto Marco   +3 more
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Stereoselective Bromofunctionalization of Alkenes

Chirality, 2013
ABSTRACTThe stereoselective bromofunctionalization of alkenes, particularly the enantioselective format, has been a subject of intense research in recent years. The ground‐breaking works are documented in recent reviews. On the other hand, this account will provide an insight into our group's approach in tackling the challenges in enantioselective ...
Chong Kiat, Tan, Wesley Zongrong, Yu, Ying-Yeung, Yeung   +2 more
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Stereoselective neuroimaging in vivo

European Neuropsychopharmacology, 2007
Stereoselectivity is a basic property of many neuronal processes due to the spatial features of molecules involved in neurotransmission. Today, neuroimaging procedures are available for studying stereoselectivity in the living brain. Mirror-image radiotracers are the molecular tools that are used, together with single photon emission tomography (SPECT)
Smith, Donald F., Jakobsen, Steen
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Control of Stereoselectivity in Phosphotriesterase

2004
Publisher Summary This chapter describes the control of stereoselectivity in phosphotriesterease (PTE). PTE originally isolated from the soil bacterium Pseudomonas diminuta , catalyzes the hydrolysis of a wide range of organophosphate compounds, including agricultural insecticides and chemical warfare agents. The mechanism of hydrolysis and overall
Suk-Bong, Hong, Frank M, Raushel
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