主题：【求助】求助英文文献，已给出期刊，卷号，页号，作者（请修改为悬赏帖）

由于已在外工作，很多英文文献不能查到原文，希望好心人能帮帮我。。下面是需要查的5篇英文文献。
1．DABCO-Induced [2+2+2] Cycloaddition Reaction of Ethyl Propiolate and Arylaldehydes to Synthesize 4-Aryl-4H-pyrans
Synlett 2009; 20: 3295-3298
Weibing Liu, Huanfeng Jiang*, Peng Zhou, Shifa Zhu

2. Covalent Cross-Linked Polymer Gels with Reversible Sol−Gel Transition and Self-Healing Properties
Guohua Deng, Chuanmei Tang, Fuya Li, Huanfeng Jiang and Yongming Chen
Macromolecules, Articles ASAP (As Soon As Publishable)
Publication Date (Web): January 4, 2010 (Communication to the Editor)
DOI: 10.1021/ma9022197

3. CuCl2-Induced Regiospecifical Synthesis of Benzene Derivatives in the Palladium-Catalyzed Cyclotrimerization of Alkynes
Jinheng Li, Huanfeng Jiang, and Mingcai Chen
J. Org. Chem., 2001, 66 (10), pp 3627–3629
Publication Date (Web): April 19, 2001 (Note)
DOI: 10.1021/jo0017382

4. Synthesis of Propargylamines by a Copper-Catalyzed Tandem Anti-Markovnikov Hydroamination and Alkyne Addition
Synlett 2009; 2009: 937-940
Zhou, Lei; Bohle, D. Scott; Jiang, Huan-Feng; Li, Chao-Jun:
5. Palladium-Catalyzed Alkenylation of 1,2,3-Trizoles with Terminal Conjugated Alkenes by Direct C-H Bond Functionalization
Huanfeng Jiang *, Zhenning Feng, Azhong Wang, Xiaohang Liu, Zhengwang Chen
European Journal of Organic Chemistry  DOI：10.1002/ejoc.200901282