NOVEL PSEUDOTHIOUREAS AND SALTS THEREOF,A PROCESS FOR THEIR PREPARATION AND THEIR USE FOR REGULATION OF PLANT GROWTH

摘要

Title cpds. are of formula (I):- and salts of (I), where R1, R2 and R3 = H, hal, (1-4C) alkyl, (1-4C) o-alkyl, NO2 or CN; and R4, R5 and R6 = H, (1-4C) alkyl, (2-4C) alkenyl, or opt. substd. Ph. (I) are prepd. by condensing a phenacyl halide with an opt. substd. thiourea.