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Catalytic effect of nickel(II) chloride and palladium(II) acetate on chromium(II)-mediated coupling reaction of iodo olefins with aldehydes
The application of phenylmethanethiol and benzenethiol derivatives as odorless organosulfur reagents in the synthesis of thiosugars and thioglycosides.
Chiral Pyridines: Optical Resolution of 1-(2-Pyridyl)- and 1-[6-(2,2'-Bipyridyl)]ethanols by Lipase-Catalyzed Enantioselective Acetylation.
The resolution of racemic 1-(2-pyridyl)ethanols 2a-n, including the 2,2'-bipyridsyl and isoquinolyl derivatives, by lipase-catalyzed asymmetric acetylation with vinyl acetate by Candida antarctica lipase (CAL) is reported, with excellent enantiomeric purities in good yields.
Synthesis of Optically Pure (R)- and (S)-Tetrahydroisoquinoline-1- and -3-Carboxylic Acids
- Kaoruko Kurata, Kumiko Inoue, K. Nishimura, Naoyuki Hoshiya, N. Kawai, J. Uenishi
- 12 March 2015
The synthesis of (R)- and (S)-tetrahydroisoquinoline-1-carboxylic acids was achieved from N-Boc-protected (R)- and (S)-1-propenyltetrahydroisoquinoline, respectively, in a three-step sequence of…
Silver(I) ion-selective transport across polymer inclusion membranes containing new pyridino- and bipyridino-podands
Chiral Pyridines: Optical Resolution of 1-(2-Pyridyl)- and 1-[6-(2,2′-Bipyridyl)]ethanols by Lipase-Catalyzed Enantioselective Acetylation.
Ag+‐Specific Pyridine Podands: Effects of Ligand Geometry and Stereochemically Controlled Substitution on Cation Complexation and Transport Functions.
Dramatic rate enhancement of Suzuki diene synthesis: its application to palytoxin synthesis
Synthesis of the Core Tricyclic Ring Domain of (-)-Schulzeine B.
- Naoyuki Hoshiya, Kenta Noda, Y. Mihara, N. Kawai, J. Uenishi
- ChemistryThe Journal of organic chemistry
- 28 July 2015
A formal synthesis of (-)-schulzeine B, a marine natural alkaloid possessing potent antidiabetic activity, has been achieved. A benzo[a]quinolizidin-4-one is a common skeleton of schulzeines (A-C).…
Stereoselective Hydrogenolysis of 1,1-Dibromo-1-alkenes and Stereospecific Synthesis of Conjugated (Z)-Alkenyl Compounds
The Pd-catalyzed hydrogenolysis of 1,1-dibromoalkenes with Bu3SnH occurs at room temperature stereoselectively to give (Z)-1-bromo-1-alkenes. We sought to determine the optimal reaction conditions…