[2b] J Am. Chem. Soc. 18, 680 (1896); 20, 654 (1898).

[3b] Rec. trav. chim. (I) 11, 93 (1892).

[4b] Ber. 30, 1698 (1897).


Of these, the first three are the only ones which need be
considered as methods for the preparation of phthalimide.
It was found that the third was by no means easy to bring about:
dry phthalic anhydride is apparently only superficially affected
by the dry ammonia, and it was difficult to introduce sufficient heat
into the loose mass of crystals to cause the reaction to start.




XXI

QUINOLINE

/ \ / \ C3H5(OH)3 + C6H5NH2 + 4O(C6H5NO2)--> | | | + 4H2O \ / \n/

Prepared by H. T. CLARKE and ANNE W. DAVIS. Checked by ROGER ADAMS
and A. W. SLOAN.

1. Procedure

IN a 5-l. round-bottom flask, fitted with an efficient reflux
condenser of wide bore, are placed, in the following order, 80 g.