引用本文:
周成合, 袁德其, 谢如刚. 相转移催化剂-β-环糊精催化下苯基甘氨酸选择性合成[J]. 应用化学,
1996, 13(3): 46-49.
Citation: Zhou Chenghe, Yuan Deqi, Xie Rugang. Selective Synthesis of Phenylglycine in the Presence of Phase Transfer Catalyst-β-Cyclodextrin Binary System[J]. Chinese Journal of Applied Chemistry, 1996, 13(3): 46-49.
Citation: Zhou Chenghe, Yuan Deqi, Xie Rugang. Selective Synthesis of Phenylglycine in the Presence of Phase Transfer Catalyst-β-Cyclodextrin Binary System[J]. Chinese Journal of Applied Chemistry, 1996, 13(3): 46-49.
相转移催化剂-β-环糊精催化下苯基甘氨酸选择性合成
English
Selective Synthesis of Phenylglycine in the Presence of Phase Transfer Catalyst-β-Cyclodextrin Binary System
Abstract:
A one-pot selective synthesis of phenylglycine with high yield from benzaldehyde, chloroform,potassium hydroxide and ammonia in the presence of phase-transfer catalyst (PTC)and β-cyclodextrin(β-CD)binary catalyst system has been studied.Results obtained are far superior to that of other similar methods.The data show that PTC β-CD is a more efficient catalyst than either PTC or β-CD alone,and both cationic and nonionie PTC-β-CD can enhance the production of phenylglycine with good yields and selectivities.A preliminary mechanism is also discussed.
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Key words:
- phenylglycine
- / β-eyclodextrin
- / phase-transfer catalyst
- / selectivity
- / synthesis
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