Tetrakis[(S)-(+)-[(1S)-1-(4-bromophenyl)-2,2-diphenylcyclopropanecarboxylato]dirhodium(II) Rh2(S-BTPCP)4

Technical Notes:
1.Chiral catalyst used for the enantios elective formation of cyclopropanes from the reaction of aryls with styryl diazoacetates 2. Chiral catalyst used for the asymmetric synthesis of bicyclo[1.1.o]butane rings via the rhodium-catalyzed d ecomposition of 2-diazo-5- arylpent-4-enoates.
3. Rhodium-Catalyzed [4+3] Cycloaddition between Vinyldiazoacetates and Dienes
References :
1. J. Am. Chem. Soc.. 2011, 133, 19198. 2.Org. Lett. 2013, 15, 310.
3.Angew. Chem. Int. Ed.. 2014, 53, 13083.