Chem. [Arbitrarily formed from ATROPIC: cf. TROPINE.] In tropic acid, an acid forming a constituent of atropine.
1881. Watts, Dict. Chem., VIII. 2062. Tropic acid, C9H10O2 = CH2(OH) . CH(C6H5) . CO2H. This acid, one of the proximate constituents of atropine, has lately been prepared synthetically from atropic acid.
1882. Nature, 2 Feb., 395/1. By decomposing atropine he obtained tropic acid and tropine, and by recombining these products he again formed atropine.
