Methyl p-nitrobenzoate

Figure 3. Products of solvolysis ofbicyclo[2.2.0] hexane-1-methyl p-nitrobenzoate.

Ethyl o-nitrobenzoate Methyl o-nitrobenzoate Ethyl m-nitrobenzoate Methyl m-nitrobenzoate Ethyl p-nitrobenzoate Methyl p-nitrobenzoate... 

Methyl p-nitrobenzoate has been found to undergo saponification faster than methyl benzoate. 

Dauben and coworkers observed unusual rate accelerations and ring-expansion rearrangements in the solvolysis of bicyclo[2.2.0]hexane-l-methyl / -nitrobenzoate, in agreement with Winstein s proposed nonclassical cyclobutylmethyl cations (Figure 3). ° Thus, the rate of the solvolysis of bicyclo[2.2.0]hexane-l-methyl p-nitrobenzoate is 7 x 10 times faster than that of the corresponding extrapolated rate for neopentyl derivative. The lack of scrambling of the label in the solvolysis of the 0-labeled... 

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