Technical Notes:

1.Catalyst for the cyclization of õ-acetylenic carboxylic acids to butenolides.

2.Catalyst for the aza-Michael reaction of carbamates with enones .

3.Catalyst for the rearrangement of allylic imidates to allylic amides.

4.Catalyst for the Nazarov cyclization of a-alkoxy dienones.

5.Catalyst for the diamination of conjugated dienes.

6.Three component Michael addition, cyclization, cross-coupling reaction.

8.C-H activation of indoles.

7.Catalyst used for the direct C-H arylation of isoxazoles at the 5 position.