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Your search keyword '"Ryosuke Takechi"' showing total 3 results
Start Over Author "Ryosuke Takechi" Topic acid catalyzed
3 results on '"Ryosuke Takechi"'

1. Enantioselective 1,4-addition of cyclopropylboronic acid catalyzed by rhodium/chiral diene complexes

Author

Ryosuke Takechi and Takahiro Nishimura

Subjects
Diene, Metals and Alloys, Enantioselective synthesis, chemistry.chemical_element, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Rhodium, chemistry.chemical_compound, chemistry, Acid catalyzed, Materials Chemistry, Ceramics and Composites, Organic chemistry
Abstract

Rhodium-catalyzed asymmetric addition of cyclopropylboronic acids to electron-deficient alkenes such as alkenylsulfones, enones, enoates, and nitroalkenes proceeded to give high yields of the corresponding 1,4-addition products with high enantioselectivity.

Published
2015

2. ChemInform Abstract: Enantioselective 1,4-Addition of Cyclopropylboronic Acid Catalyzed by Rhodium/Chiral Diene Complexes

Author

Ryosuke Takechi and Takahiro Nishimura

Subjects
chemistry.chemical_compound, chemistry, Diene, Acid catalyzed, Enantioselective synthesis, chemistry.chemical_element, Organic chemistry, General Medicine, Rhodium
Abstract

Rhodium-catalyzed asymmetric addition of cyclopropylboronic acids to electron-deficient alkenes such as alkenylsulfones, enones, enoates, and nitroalkenes proceeded to give high yields of the corresponding 1,4-addition products with high enantioselectivity.

Published
2015

3. ChemInform Abstract: Chiral Broensted Acid-Catalyzed Enantioselective Addition of Indoles to Ketimines

Author

Ryohei Kobayashi, Taichi Kano, Ryosuke Takechi, and Keiji Maruoka

Subjects
inorganic chemicals, chemistry.chemical_compound, Addition reaction, chemistry, organic chemicals, Acid catalyzed, Organocatalysis, Enantioselective synthesis, Organic chemistry, General Medicine, Phosphoric acid, Catalysis
Abstract

The title reaction is catalyzed by a chiral phosphoric acid and represents a rare example of an addition reaction to a non-aromatic ketimine (II).

Published
2014

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