N-4-(1- HYDROXY-1-AMINO)-OR ETHOXY- (CARBONYL)-2,2,2- TRIFLUOROETHYL) -PHENYL-N -ALKYL-N′- ALKYL-(α- NAPHTHYL)UREAS SHOWING GROWTH-REGULATING ACTIVITY Russian patent published in 1995 - IPC

FIELD: organic chemistry. SUBSTANCE: product: N-4-(1-hydroxy- 1-amino)- ethoxy- (carbonyl- 2,2,2-trifluoroethyl-)- phenyl-N- alkyl-N′- (α-naphthyl)-urea of the formula HO-C(CF₃)(X)-C₆H₄-N(R)-CONHR′ where x CONH₂, R-C₂H₅, R¹-(CH₂)₆Cl, t_melt 159-160 C; X CONH₂ R=R¹CH₃,C₂H₅, t_melt 190 C; X CONH₂, R=C₂H₅, R¹=CH₃, t_melt 176-177 C; X CONH₂, R=C₂H₅, R¹=α-naphthyl, t_melt 200 C (with decomposition and sublimation); X COO-C₂H₅, R CH₃,R¹= α-naphthyl, t_melt 115-118 C; X COOC₂H₅, R iso-C₃H₇,R¹-(CH₂)₆. Synthesized compound is substance of light-yellow color, dense consistency. The yield of the end product is 67-95% Reagent 1: CH₃OCOC(CF₃)(OH)-C₆H₄N(R)-(CONHR¹). Reagent 2: ammonia aqueous solution. Reaction conditions: process is carried out at 20-25 C. Synthesized compounds were used in agriculture. EFFECT: improved method of synthesis. 3 tbl