A Novel Amphiphilic Chiral Ligand Derived fromd-Glucosamine. Application to Palladium-Catalyzed Asymmetric Allylic Substitution Reaction in an Aqueous or an Organic Medium, Allowing for Catalyst Recycling

2000 ◽  
Vol 65 (17) ◽  
pp. 5197-5201 ◽  
Author(s):  
Tomohiro Hashizume ◽  
Koji Yonehara ◽  
Kouichi Ohe ◽  
Sakae Uemura
Keyword(s):  
Substitution Reaction ◽  
Organic Medium ◽  
Chiral Ligand ◽  
Allylic Substitution ◽  
Catalyst Recycling ◽  
Palladium Catalyzed

Synthesis and application of P,olefin type axially chiral ligands with sec-alkyl groups

2019 ◽  
Vol 17 (6) ◽  
pp. 1455-1465 ◽  
Author(s):  
Takashi Mino ◽  
Daiki Yamaguchi ◽  
Chihiro Masuda ◽  
Junpei Youda ◽  
Toshibumi Ebisawa ◽  
...  
Keyword(s):  
Chiral Ligands ◽  
Chiral Ligand ◽  
Allylic Substitution ◽  
Alkyl Groups ◽  
Axially Chiral ◽  
Palladium Catalyzed

Palladium-catalyzed asymmetric allylic substitution with indoles using a chiral ligand 3b, which have fewer hindered substituents such as secondary alkyl groups than 1-adamantyl group, gave desired products (R)-9 with high enantioselectivities (up to 96% ee).

scholarly journals Breaking conjugation: unusual regioselectivity with 2-substituted allylic substrates in the Tsuji–Trost reaction

2014 ◽  
Vol 5 (3) ◽  
pp. 1241-1250 ◽  
Author(s):  
Byeong-Seon Kim ◽  
Mahmud M. Hussain ◽  
Per-Ola Norrby ◽  
Patrick J. Walsh
Keyword(s):  
Substitution Reaction ◽  
Allylic Substitution ◽  
Palladium Catalyzed

We describe the unusual regioselectivity of the palladium-catalyzed Tsuji–Trost allylic substitution reaction with 1,2,3-trisubstituted allylic substrates.

Palladium-Catalyzed Allylic Substitution Reaction of Benzothiazolylacetamide with Allylic Alcohols in Water

2019 ◽  
Vol 84 (16) ◽  
pp. 10111-10119 ◽  
Author(s):  
Shulei Pan ◽  
Binqiang Wu ◽  
Jinjin Hu ◽  
Ruigang Xu ◽  
Min Jiang ◽  
...  
Keyword(s):  
Substitution Reaction ◽  
Allylic Alcohols ◽  
Allylic Substitution ◽  
Palladium Catalyzed
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