Bioreduction of 2-oxo-3-halo (or azido) alkanephosphonates and 4-ethoxy-4,2-dioxobutanephosphonates by baker's yeast afforded 3-substituted 2-hydroxyalkanephosphonates in moderate to good yields and ee value. Moreover, a regio- and stereoselective bioreduction of 2,3-dioxoalkanephosphonates ...
Bioreduction of 2-oxo-3-halo (or azido) alkanephosphonates and 4-ethoxy-4,2-dioxobutanephosphonates by baker's yeast afforded 3-substituted 2-hydroxyalkanephosphonates in moderate to good yields and ee value. Moreover, a regio- and stereoselective bioreduction of 2,3-dioxoalkanephosphonates ...
W and Z together with the carbon atom to which they are attached, preferably in each case optionally halogen-, C1-C6-alkyl-, C1-C6-alkoxy- or C1-C4-halogenoalkyl-substituted Al represents the canned one-alkanediyl or C3-C5- and one to three circles are each independently oxygen, sulfur...
ChemInform Abstract: Tandem Reduction‐Desulfonylation of α‐Alkylidene‐β‐keto Sulfonespolyphenylalkane derivativesThe α-benzylidene-α-methylsulfonyl phenyl ketones (I) are hydrogenated upon treatment with sodium hydrogen telluride, generated from tellurium and sodium borohydride, in ethanol/chloroform ...
The alkylated mumbaisatin derivatives of formula XVIIIA and formula XVIIIB are obtained by dissolving mumbaistatin in a solvent, preferably an organic solvent such as alkanol, for example methanol, and reacting with an alkylating agent such as diazoalkane, for example diazomethane, diazoethane, or ...
Thiepine apical sodium co-dependent bile acid transport (ASBT) inhibitors are disclosed together with methods of making the same, methods of using the same to treat hyp
Bull. Chem. Soc. Jpn., 1994, 67, 2244; (c) CUI J.-N, TERAOKA R, EMA T. Highly Regio- and enantioselective Reduction of 1-Chloro-2,4-alkane -diones Using Baker's Yeast: Effects of Organic Solvents as Additives[J]. Tetrahedron lett., 1997, 38, 3021....
gamma and delta hydroxycarboxylic acid esters can be isolated from strains of Candida parapsilosis, Yarrowinia cellobiosa, Rhodococcus erythropolis or Pseudomonas acidovorans, preferably cultivated on a long -chain alkane and/or alkane acid-containing culture medium, approximately in the presence of an...
delta. hydroxycarboxylic acid esters can be isolated from strains of Candida parapsilosis, Yarrowinia cellobiosa, Rhodococcus erythropolis or Pseudomonas acidovorans, preferably cultivated on a long -chain alkane and/or alkane acid-containing culture medium, approximately in the presence of an inductor...
Bioreduction of 2-oxo-3-halo (or azido) alkanephosphonates and 4-ethoxy-4,2-dioxobutanephosphonates by baker's yeast afforded 3-substituted 2-hydroxyalkanephosphonates in moderate to good yields and ee value. Moreover, a regio- and stereoselective bioreduction of 2,3-dioxoalkanephosphonates ...