Topochemical photodimerization of (E)-3-benzylidene-4-chromanone derivatives from beta-type structures directed by halogen groups
文献类型：期刊论文
| 作者 | Cheng, Xue-Ming; Huang, Zhi-Tang; Zheng, Qi-Yu |
| 刊名 | TETRAHEDRON
 |
| 出版日期 | 2011-11-25 |
| 卷号 | 67期号:47页码:9093-9098 |
| 关键词 | Solid Reaction Photodimerization (e)-3-benzylidene-4-chromanone Halogen Group Crystal Engineering |
| ISSN号 | 0040-4020 |
| DOI | 10.1016/j.tet.2011.09.087 |
| 英文摘要 | Halogen substituent plays an important role in the crystalline packing of aromatic compounds. The [2+2] photocycloaddition of (E)-3-benzylidene-4-chromanones in the crystalline state was investigated, and halogen substitution has been adopted to organize molecules with proper arrangement for photodimerization. Not halogen bonds, but the electron-withdrawing property of halogen atoms can enhance the face-to-face pi-pi interactions. Therefore, F, Cl or Br substitution at the para position of phenyl gave rise to almost the same beta-structures with face-to-face pi-stacking. Only resulted beta-structures can undergo photodimerization, which gave the syn-HH (syn-head-to-head) products with high regio-/stereoselectivity. (C) 2011 Elsevier Ltd. All rights reserved. |
| 语种 | 英语 |
| WOS记录号 | WOS:000296988800007 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/72653]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Zheng, Qi-Yu |
| 作者单位 | Chinese Acad Sci, Inst Chem, CAS Key Lab Mol Recognit & Funct, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, Xue-Ming,Huang, Zhi-Tang,Zheng, Qi-Yu. Topochemical photodimerization of (E)-3-benzylidene-4-chromanone derivatives from beta-type structures directed by halogen groups[J]. TETRAHEDRON,2011,67(47):9093-9098. |
| APA | Cheng, Xue-Ming,Huang, Zhi-Tang,&Zheng, Qi-Yu.(2011).Topochemical photodimerization of (E)-3-benzylidene-4-chromanone derivatives from beta-type structures directed by halogen groups.TETRAHEDRON,67(47),9093-9098. |
| MLA | Cheng, Xue-Ming,et al."Topochemical photodimerization of (E)-3-benzylidene-4-chromanone derivatives from beta-type structures directed by halogen groups".TETRAHEDRON 67.47(2011):9093-9098. |
入库方式： OAI收割
来源：化学研究所
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