5165
Oct. 5, 1955
NOTES The Rates of Condensation of Piperidine with 1Chloro-2,4-dinitrobenzene in Various Solvents BY J. F. BENNETTAND R . J . MORATtI RECEIVED APRIL9, 1955
We record some miscellaneous nieasureinerits inade in conjunction with other work. Our results are summarized in Table I. TABLE I THEREACTION OF
P I P E R I D I N E WITH
BENZESE IN
Soivenl
l-CHLORO-2,4-DISI'rRo-
VARIOUSSOLVESTS Rate coefficient a t 30.06O, 1. mole-' mh-1
AE, kcal./ mole
A S * , cal./ deg./mole
6.38" 11.2 -28.0 50% Dioxane 60% Dioxanc 5.94" 10.5 -30.5 5.61" 10.2 -31.6 75y0 Dioxane 93% Ethanol 1.54 .. .... Methanol 0.93
