## Abstract The reaction mechanism and solventβdependant regioselectivity of 1,3βdipolar cycloaddition reactions between azide and acetylene derivatives have been studied using computational methods. The two possible reaction transition states were located. Geometry and NBO analysis found that the
A Comparative Study of the Effect of Water and Organic Solvents on 1,3-Dipolar Cycloaddition Reactions of Mesitonitrile Oxide with C -Sulfonyl- and Sulfanyl-Dithioformates
β Scribed by El-Sayed, Ibrahim; Ali, Omar M.; Hawata, Mohamed A.; Hegazey, Sally Abou
- Book ID
- 126669695
- Publisher
- Taylor and Francis Group
- Year
- 2010
- Tongue
- English
- Weight
- 333 KB
- Volume
- 185
- Category
- Article
- ISSN
- 1042-6507
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Two competitive processes -1,3-dipolar cycloaddition and nucleophilic addition -in the reaction of 4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole 3-oxides with asymmetrically substituted alkynes were shown to occur. The influence of solvents and the nature of substituents in the reagent and substrate