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Asymmetric epoxidation of alpha-olefins having neighboring sugar chiral templates and alternating copolymerization with dicarboxylic anhydrides.
Sugar-substituted epoxides 5-8 were synthesized by asymmetric epoxidation of alpha-olefins having neighboring sugars by use of an achiral oxidant, in which the sugar moiety acted as a chiral template.
Enantioselective synthesis of 8-azabicyclo[3.2.1]octanes via asymmetric 1,3-dipolar cycloadditions of cyclic azomethine ylides using a dual catalytic system.
The first example of asymmetric 1,3-dipolar cycloadditions between diazo imine-derived cyclic azomethine ylides and acryloylpyrazolidinone using a rhodium(ii) complex/chiral Lewis acid binary system
Synthesis of 2-vinyl-γ-butyrolactones by the palladium-catalyzed decarboxylative carbonylation of 3-vinyl-1-oxo-2,6-dioxacyclohexanes
Abstract 3-Vinyl-1-oxo-2,6-dioxacyclohexanes undergo a decarboxylative carbonylation by a catalysis of Pd(0) to give 2-vinyl-γ-butyrolactones in high yield (typically in the presence of 3 mol% of
Preparation of aluminum nitride powder from aluminum polynuclear complexes
AIN powder was synthesized from aluminum polynuclear complexes. Basic aluminum chloride and basic aluminum lactate were used as the aluminum polynuclear complexes. These starting materials and
Regio- and Stereoselective Synthesis of 1,3-Hydroxyl Amines via Palladium-Catalyzed Carbonate-Carbamate Transformation with Unique Stereoselectivity: Synthesis of 3-Amino-4-penten-1-ols
The transformation of cyclic carbonates 1,3-dioxan-2-one derivative (1) to cyclic carbamates 1,3-oxazin-2-one derivative (4) is achieved in the presence of aryl or sulfonyl isocyanate by the
Efficient Synthesis of 2-Vinyl-γ-butyrolactones and 2-Vinyl-γ-butyrolactams by Palladium-Catalyzed Decarboxylative Carbonylation
4-Vinyl-1,3-dioxan-2-ones (cyclic carbonates) undergo decarboxylation-carbonylation by the catalysis of Pd(0) species under CO (in most cases, 1 atm) to provide 2-vinyl-γ-butyrolactones in good
Synthesis of Cyclic Imines Having Conjugated Exocyclic Double Bond
Cyclic imines with conjugated exocyclic double bond have been synthesized by the reaction of 1-pyrrolinetrimer or 2,3,4,5-tetrahydropyridine trimer with various aldehydes in methanol in moderate to
Palladium-catalysed regio- and stereo-selective synthesis of allylic amines
3-Vinyl-2,6-dioxacyclohexan-1-ones 1, by treatment with N-tosyl or N-aryl isocyanates and a catalytic amount of Pd0, are converted into N-tosyl- and N-aryl-3-vinyl-2-aza-6-oxacyclohexan-1-ones 2 in