1. 在线查找化学结构式！ http://www.sigmaaldrich.com/cgi-bin/hsrun/Distributed/HahtShop/HAHTShop.htx;start=HS_SearchCenter中，选择Search Structures，然后，就可以分别根据：Product Name 和CAS登录号，还有Molecular Formula进行查找 。在这里查到的化合物基本都有一些参数和它的结构式（Structure Image），然后将图片保存成Gif即可！ 当然，如果你只知道化合物的结构式，不知道叫什么，可以选择下面的Sub Structure Search ，然后 Step 1 Choose a Drawing tool. I want to Download Kekule (requires download of Kekv214.exe) Step 2 Install the plug-in you downloaded in step 1 .Close this browser. Return to the directory where you saved the plug-in and double click on the file name given in step 1. Step 3 Return to this page and click the "Structure Search" button.安装好软件即可将画好的图片粘贴上即可查找，非常方便，http://chemfinder.cambridgesoft.com/
2. 能查几万个化合物的NMR IR谱图的网址 SDBS Integrated Spectral Data Base System for Organic Compounds http://www.aist.go.jp/RIODB/SDBS/sdbs/owa/sdbs_sea.cre_frame_sea NIST WebBook http://webbook.nist.gov/
6. 请问网上那儿能查到有机药物的PKa或PKb值 Daylight Chemical Information Systems,Inc. 药物学数据库：目前有化合物26000个，数据项有LOGP、PKA、CAS号、WLN、英文名、活性等。世界药物索引：可对40000个药物的数据进行检索。spresipretps: 这是数据库的子库，由前苏联的收集，目前有约好400000个化合物，每个化合物至少有一篇与制备有关的杂志文章或专利文献。 http://www.daylight.com/ 但好像需要下载软件来进行查找 下面是一些具体的例子，好像Chemweb可以查找 Bordwell pKa Table http://www.chem.wisc.edu/areas/reich/pkatable/ ChemWeb pKa Search. One must register before using ChemWeb. http://cwgen.chemweb.com/pka/pkasearch.html Harvard University tables compiled and maintained by David Ripin and David Evans. http://daecr1.harvard.edu/pKa/pka.html about天然药物化学一些 HERBAL方面的LINKS 一些 HERBAL方面的LINKS http://www.geocities.com/chadrx/ http://medherb.com/ http://tnp.com/substanceshome.asp http://www.mothernature.com/ency/Index/Herb_Index.asp http://onhealth.webmd.com/alternative/resource/herbs/alpha/index,K.asp http://www.dmoz.org/Health/Alternative/Herbs/Constituents/ http://www.zianet.com/desertbloom/herbalinfo.html http://www.herbs.org/index.html http://wwv.herbalvillage.com/nh/index.html http://www.botanical.com/index.html http://www.algy.com/herb/medcat.html http://chili.rt66.com/hrbmoore/HOMEPAGE/HomePage.html Links to Synthetic Organic and Related Groups [精华] http://www.uark.edu/campus-resources/mcintosh/organiclinks.html The usage of the above links.
1. Find what these big guys are doing, what are their interesting areas.
2. Download their publication directly. For example, Dr.K. C. Nicolaou , Scripps in California you can donload a n excelent natural product total synthesis review paper directly. 456. Art and Science of Total Synthesis at the Dawn of the Twenty-first Century, K.C. Nicolaou, D. Vourloumis, N. Winssinger, P.S. Baran, Angew. Chem. Int. Ed. 39, 44-122 (2000). PDF file Another example is that once Dr.Clayton Heathcock in Berkley will give us a lecture on "grams total synthesis of Spongistatin 1 (Altohyrtin A). I printed out all his published paper about Spongistatin synthesis from his website.
3. Find if there are posdoc positions opening. Organic name reaction online [精华] http://fachschaft.cup.uni-muenchen.de/~schleifi/reaktion/reaction/ http://www.chempensoftware.com/organicreactions.htm http://themerckindex.cambridgesoft.com/TheMerckIndex/NameReactions/TOC.asp Another website for organic compound properties [精华] http://www.chemexper.com/ccd/power/search_5.shtml The website is very similar with http://chemfinder.cambridgesoft.com/ , a wellknown website.
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