The S-(l-beazoyl-Z-bir-methylthfo)vinyl-piperfdfnodithiocarbamates 2a-d are prepand by dithiocarboxylation of phenacyl-pfperfdin~thiocarbawates la-d under phase transfer conditions fellewed by wtbylatloe. In-#IF and sodfun hydride the reaction of la--7+ proceeds by cyclocondensatfon givlng the corre
Synthesis and crystal structure of (E)-[(2-cyclohexenyl)vinyl]triaryitin
β Scribed by Huang Kui; Fu Fang-Xin; Pan Hua-De
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 238 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0256-7660
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β¦ Synopsis
E
)-[(2-Cyclohexenyl)vinylJtriaryltin (aryl=phenyl, ptolyl) were synthesized and c h a r a c t e r i d by elemental analysis, IR, 'H NMR spectroscopy. The crystal structure of ( E ) -[ ( 2 cyclohexenyI)vinyl]triphenyItin waa also determined by the X-ray diffraction. Experiments show that this compound has the conjugated system, which makes it have possible bioactivity and antitumor activity.
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SrC 2 of high purity was prepared by the reaction of elemental strontium with graphite at temperatures of about 970 K. The known tetragonal room-temperature modi5cation (I4/mmm, Z β«Ψβ¬ 2) was con5rmed by synchrotron powder investigations, which revealed a strong anisotropic peak broadening. Temperatu