Accelerations in the Lactonization of Trimethyl Lock Systems Are due to Proximity Orientation and not to Strain Effects

<table>(2a) a plot of energy versus dihedral angle C1C2C3C4 in 2a and 2c. 
						(2b) a plot of energy versus C1–O10 distance in 2a and 2c.</table>

Organic Chemistry International

Figure 2: Accelerations in the Lactonization of Trimethyl Lock Systems Are due to Proximity Orientation and not to Strain Effects 