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. Author manuscript; available in PMC: 2012 Jun 29.
Published in final edited form as: J Am Chem Soc. 2002 May 8;124(18):5000–5009. doi: 10.1021/ja017713h

Figure 2.

Figure 2

2a (1.0 mg) and 3a (1.0 mg) each in 0.9 mL of DMSO were heated to gentle reflux over 2 min and cooled to room temperature before 0.1 mL of H2O was added to each solution. The final concentrations of 2a and 3a in 9:1 DMSO:H2O are 1.03 × 10−3 and 1.96 × 10−3 M, respectively. A solution of 6b (5.0 × 10−6 M) was prepared at room temperature in 9:1 DMSO:H2O.