Conversion of Epoxides to Thiiranes Catalyzed with TiO(TFA) 2 and TiCl 3 (OTf ) in the Presence of Ammonium Thiocyanate or Thiourea. -TiO(O-CO-CF 3 ) 2 and TiCl 3 (O-Tf) prove to be efficient catalysts for the conversion of epoxides to thiiranes with both NH 4 SCN or thiourea under aprotic conditio
โฆ LIBER โฆ
ChemInform Abstract: Mild, Efficient, and Convenient Conversion of Oxiranes to Thiiranes with Ammonium Thiocyanate and Thiourea in the Presence of Cerium(IV) Polyoxometallate.
โ Scribed by V. Mirkhani; S. Tangestaninejad; L. Alipanah
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 28 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
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## Abstract For Abstract see ChemInform Abstract in Full Text.
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## Abstract The regioselective ringโopening reactions of some epoxides with ammonium thiocyanate in the presence of a series of new 9__H__โthioxanthenโ9โoneโfused azacrown ethers, __i.e.__, **7**โ**11** (__Schemeโ 1__), and also of dibenzo[18]crownโ6 (**12**), __Kryptofix__^ยฎ^ __22__ (**13**), and b