Citation: Ying Liu, Xiu Juan Feng, De Cai Bao, Kai Xiao Li, Ming Bao. Preparation of microcapsule-supported palladium catalyst using SPG (Shirasu Porous Glass) emulsification technique[J]. Chinese Chemical Letters, ;2010, 21(8): 979-982. doi: 10.1016/j.cclet.2010.01.027 shu

Preparation of microcapsule-supported palladium catalyst using SPG (Shirasu Porous Glass) emulsification technique

a State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China;
b School of Science of Chemistry and Food, Bohai University, Jinzhou 121000, China

Received Date: 3 November 2009

Fund Project: We are grateful to the National Natural Science Foundation of China (No. 20572010) for financial support. This work was partly supported by the program for Changjiang Scholars and Innovative Research Teams in Universities (No. IRT0711).

A new method for the preparation of microcapsule-supported palladium catalyst was described.The highly monodisperse crosslinked polystyrene microcapsules containing phosphine ligand were synthesized by the self-assembling of phase separated polymer (SaPSeP) method using diphenyl (4-vinylphenyl) phosphine and divinylbenzene as a monomer and crosslinking agent,respectively,and 2,2'-azobisisobutyronitrile (AIBN) as an initiator within the droplets of oil-in-water (O/W) emulsions,which were prepared by using the Shirasu Porous Glass (SPG) membrane emulsification technique.The prepared microcapsule-supported palladium catalyst exhibited high catalytic activity for Heck reaction and can be reused several times without loss of activity.
- Microcapsule-supported palladium catalyst,
- SPG emulsification technique,
- Heck reaction
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