Skip to main content
. Author manuscript; available in PMC: 2015 Oct 24.
Published in final edited form as: Chem Sci. 2014 Dec 19;6(2):1537–1547. doi: 10.1039/c4sc02402h

Figure 5.

Figure 5

Basicities of representative cyclopropenimines. The pKBH+ values were determined by 1H NMR in d3-MeCN in reference to the P1-tBu phosphazene base. The number in parentheses is the value previously determined by an alternative method.