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- Title
Sulfonium Salts of Iodine(I) Species as Efficient Reagents for the Regioselective Bisfunctionalisation of Glycals and Enol Ethers.
- Authors
Reddy, Thurpu Raghavender; Rao, Dodla Sivanageswara; Babachary, Kalvacherla; Kashyap, Sudhir
- Abstract
A new sulfonium-salt-based iodine(I) reagent system for the vicinal functionalisation of glycals and enol ethers has been developed. The unprecedented iodine(I) complex, Me3SI(OAc)2, generated in situ from Me3SI and PhI(OAc)2, effectively promoted the one-pot iodocarboxylation using carboxylic acids, and iodoazidation using NaN3 or TMSN3 (trimethylsilyl azide). The scope and generality of the new reagent was probed for a wide range of substrates, including various substituted aromatic carboxylic acids, heterocyclic, alicyclic, and aliphatic carboxylic acids, and amino acids to obtain various functionalised glycoconjugates in high yields (99%) and with diastereoselectivities up to 100%.
- Subjects
IODINE; SALTS; GLYCALS; ENOL ethers; FUNCTIONAL groups; CHEMICAL reactions
- Publication
European Journal of Organic Chemistry, 2016, p291
- ISSN
1434-193X
- Publication type
Article
- DOI
10.1002/ejoc.201501183