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Citation: Lu Xueran, Lin Shengzai, Chen Yuanyin. SYNTHESIS AND PROPERTY OF SILICA-BOUND BENZO CROWN ETHERS[J]. Chinese Journal of Applied Chemistry, ;1993, 10(1): 54-57. shu

SYNTHESIS AND PROPERTY OF SILICA-BOUND BENZO CROWN ETHERS

1.
Department of Chemistry, Wuhan University, 430072 Wuhan

Received Date: 14 February 1992
Available Online: 14 October 1992
Fund Project:

3- and 4-allyl-1,2-bis (β-hydroxyethoxy) benzene were synthesized from ethylene chlorohydrin and 3-or 4-allyleatechol, respectively. Reacting 3-aUyl-1,2-bis (hydroxyethoxy) benzene with diethylene glycol ditosylate or reacting 4-allyl-1, 2-(hydroxyethoxy) benzene with 1, 2-bis (hydroethoxy) benzene ditosylate, two benzo crown ethers, 3'-propenyl-2, 3-benzo-1,4, 7, 10, 13, 16-hexaoxa-cyclooctadec-2-ene and 4'-propenyl-2, 3, 11, 12-dibenzo-1,4,7, 10, 13, 16-hexaoxa-cy-clooctadeca-2,11-diene,were obtained. The benzo crown ethers were subjected to hydrosilylation with trichlorosilane,followed by immobilization on silica, to give the title silica-bound benzo crown ethers.The silica-bound benzo crown ethers could coordinate with platinum. The both platinum complexes were found to be an effective catalyst for hydrosilylation of olefins with triethoxysflane.
- crowns,
- organopolysiloxane,
- supported crown ether,
- platinum complex,
- hydrosilylation catalyst
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SYNTHESIS AND PROPERTY OF SILICA-BOUND BENZO CROWN ETHERS

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com