Technical Notes:

1.Catalyst for the rearrangement of alkynyl sulfoxides to benzothie pinones

2.Catalyst for the rearrangement of homopropargylic ethers to a,ß-unsaturated carbonyl compounds

3. Catalyst for oxidative cyclopropanation of N-Allylynamides to 3-aza-bicyclo3. 1.O-hexan-2 - one derivatives

4. Catalyst for oxidative rearrangement of homopropargylic ethers to cyclobutanones

References:

1.J. Am. Chem. Soc., 2007, 129, 4160 2.Org. Lett., 2012, 14, 4902

3.Org. Lett., 2013, 15, 2374

4.Adv. Synth. Catal., 2013, 355, 2488