| 路易士酸催化下呋喃锂对L—苏醛的立体选择性加成 |
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| 引用本文： | 李淑琏.路易士酸催化下呋喃锂对L—苏醛的立体选择性加成[J].华南师范大学学报(自然科学版),1992(1). |
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| 作者姓名： | 李淑琏 |
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| 作者单位： | 华南师范大学化学系 |
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| 摘 要： | 呋喃负离子对(2R,3R)-1-叔丁基二苯硅烷基—2,3—0—异亚丙基—L—苏醛加成的立体化学控制反应中,发现路易士酸溴化锌以适当比例分两步加入,可得到最佳的立体异构比率,顺:反=36:1及较好的顺式产物收率86%.
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| 关 键 词： | 呋喃负离子 溴化锌 立体化学控制 |
STEREOSELECTIVE ADDITION OF FURANYL LITHIUM TO(eR 3R)-1-t-BUTYLDIPHENYL-2 ,3-0-1SOPROPYUOENE L-THRElTAL UNOER LEWIS ACID CATALYSIS |
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| Li Shulian.STEREOSELECTIVE ADDITION OF FURANYL LITHIUM TO(eR 3R)-1-t-BUTYLDIPHENYL-2 ,3-0-1SOPROPYUOENE L-THRElTAL UNOER LEWIS ACID CATALYSIS[J].Journal of South China Normal University(Natural Science Edition),1992(1). |
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| Authors: | Li Shulian |
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| Institution: | Sept. of Chem. |
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| Abstract: | Stereochemieal control of addition of furanyl anion to L-threital affords excellent isomers rate syn, anti =36:1 with zinc brcmide was used proportion distributing to the reaction of two stept. The tyn-product yield is 86%. |
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| Keywords: | ceoselective furanyl lithium zinc bromide |
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