以Keggin型12-磷钨酸和(+)-α-苯乙胺为原料,通过水热法合成了具有Keggin结构的(+).α-苯乙胺磷钨酸盐(C8H12-N)3PW12O40.通过红外光谱、核磁共振波谱、紫外光谱、元素分析和热重分析等技术对合成产物进行了结构、组成和热稳定性的表征和考察,证实了合成产物为(+)-α-苯乙胺磷钨酸盐.以顺丙烯磷酸-α-苯乙胺盐环氧化合成(1R,2S).环氧丙基磷酸-a-苯乙胺盐为探针反应,考察了(C8H12N)3PW12O40催化不对称环氧化性能.结果表明,在催化剂用量为2.00%和反应温度为50℃时,产物环氧丙基磷酸苯乙胺盐的收率为64%,(1R,2S)-环氧丙基磷酸苯乙胺盐的对映选择性ee值为10.8%.
参考文献
| [1] | 王恩波;胡长文;许林.多酸化学导论[M].北京:化学工业出版社,1998:16,170,184. |
| [2] | Ishii Y;Takenaka Y;Konishi K .[J].Angewandte Chemie International Edition,2004,43(20):2702. |
| [3] | Cannizzo C;Mayer CR;Secheresse F;Larpent C .Covalent hybrid materials based on nanolatex particles and Dawson polyoxometalates[J].Advanced Materials,2005(23):2888-2892. |
| [4] | Mayer CR;Roch-Marchal C;Lavanant H;Thouvenot R;Sellier N;Blais JC;Secheresse F .New organosilyl derivatives of the Dawson polyoxometalate [alpha(2)-P2W17O61(RSi)(2)O](6-): Synthesis and mass spectrometric investigation[J].Chemistry: A European journal,2004(21):5517-5523. |
| [5] | Wang JP;Zhao JW;Duan XY;Niu JY .Syntheses and structures of one- and two-dimensional organic anorganic hybrid rare earth derivatives based on monovacant Keggin-type polyoxotungstates[J].Crystal growth & design,2006(2):507-513. |
| [6] | Han Zh G;Zhao Y L;Peng J;Ma H Y Liu Q Wang E B Hu N H .[J].Journal of Solid State Chemistry,2004,177(11):4325. |
| [7] | Bareyt S;Piligkos S;Hasenknopf B;Gouzerh P Lacote E Thorimbert S Malacria M .[J].Journal of the American Chemical Society,2005,127(18):6788. |
| [8] | Gong Yun,HU Changwen,LIANG Hong.Research progress in synthesis and catalysis of polyoxometalates[J].自然科学进展（英文版）,2005(05):385-394. |
| [9] | Huang R D;Li J;Zhang J .[J].Chemical Research in Chinese Universities,2005,21(01):1. |
| [10] | Ding Y;Gao Q;Li G X;Zhang H P Wang J M Yan L Suo J Sh .[J].Journal of Molecular Catalysis A:Chemical,2004,218(02):161. |
| [11] | Ishii Y;Yamawaki K;Ura T;Yamada H Yoshida T Ogawa M .[J].Journal of Organic Chemistry,1988,53(15):3587. |
| [12] | 徐慧琴,王向宇,李保军.修饰剂对磷霉素环氧化催化剂的影响[J].工业催化,2006(08):37-40. |
| [13] | Li Zh;Lin B Zh;Zhang J F;Geng F Han G H Liu P D .[J].Journal of Molecular Structure,2006,783(1-3):176. |
| [14] | XuMX;Lin Sh;Xu L M;Zhen S L .[J].Transactions Metal Chemistry,2004,29(03):332. |
| [15] | ZHOU Duan-Wen,ZHANG Hong,YANG Zhen-Fang.Syntheses and Characterizations of Two New Organic-inorganic Hybrids Based on Heteropolymolybdates and Piperidine Molecules[J].结构化学,2006(03):312-320. |
| [16] | 石鸿昌;王歆燕;樊新印 .[P].CN 1385435,2002. |
| [17] | 王桂萍;吴庆银;王恩波;张云峰 .[J].辽宁大学学报,1995,22(04):60. |
| [18] | Christensen B G;Leanza W J;Beattie T R .[P].US 3849482,1974. |
| [19] | Duncan DC.;Hecht E.;Hill CL.;Chambers RC. .MECHANISM AND DYNAMICS IN THE H-3[PW12O40]-CATALYZED SELECTIVE EPOXIDATION OF TERMINAL OLEFINS BY H2O2 - FORMATION, REACTIVITY, AND STABILITY OF (PO4[WO(O-2)(2)](4))(3-) [Review][J].Journal of the American Chemical Society,1995(2):681-691. |
| [20] | Wang X Y;Shi H Ch;Xu Sh Y .[J].Journal of Molecular Catalysis A:Chemical,2003,206(1-2):213. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%