Abstract:
S-(O-substituted-2,6- dichlorobenzohydrozymoly)-N,N-diethylthio carbamate derivatives of formula (I). In (I), R is C1-C6 alkyl, C3-C6 cycloalkyl, C3-C4 alkenyl or C3-C4 alkynyl, or -(CH2)n)-CH(R1)-COOR2, -CO-R3 or -SO2R4, or acetonyl, methoxymethyl, methoxyethyl, cianomethyl or dimethylaminoethyl (where n is 0 or 1, R1 is H, C1-C3 alkyl or acethyl, R2 is H or C1-C3 alkyl, R3 is haloalkyl, aryl or substituted aryl, R4 is C1-Cv alkyl, aryl or substituted aryl, wherein the substituent of aryl for R3 and R4 is methyl or halogen).
Abstract:
본 발명은 관능기로서 옥심에테르를 도입한 다음일반식(I)로 표시되는 신규한 제초성 S-(O-치환된-2,6-디클로로벤조히드록시모일)-N,N-디에틸티오 카바메이트 유도체와 그의 제조방법에 관한 것이다.
상기식에서, R은 C 1 -C 6 알킬, C 3 -C 6 시클로알킬, C 3 -C 4 알케닐 또는 C 3 -C 4 알키닐기이거나, -(CH 2 )n-CH(R 1 )-COOR 2 , -CO-R 3 은 -SO 2 R 4 , 혹은 아세토닐, 메톡시메틸, 메톡시에틸, 시아노메틸 또는 디메틸아미노에틸기이며, 여기서 n은 0또는 1이고, R 1 은 수소, C 1 -C 3 알킬 또는 아세틸기이고, R 2 는 수소 또는 C 1 -C 3 알킬기이고, R 3 은 할로알킬, 아릴 또는 치환된 아릴기이고, R 4 는 C 1 -C 6 알킬, 아릴 또는 치환된 아릴기이며, 이때 R 3 및 R 4 에서의 아릴의 치환체는 메틸기 또는 할로겐 원자이다.
Abstract:
A method for separating uracil from uracil ribonucleosied hydrolysate comprises mixing strong acid hydrolysate of 5'-uridine monophosphate obtd. in the prodn. of nucleic acid seasoning by the fermentation with 18-24 N sulphate soln, hydrolyzing the mixt. at 95-115≦̸C for 1.5-2.5 hr, removing the reacting material of impurities through the multiporous resin tube, and concentrating the effluent.
Abstract:
The circuit for controlling the process with individual process program and storing input parameter after controlling comprises an input cct. composed of a sensor input port (1) for receiving analog signal, a multiplexer (2), an A/D converter (3), and an output port (4); a control cct. composed of clock generator (5), a CPU (6), a ROM control cct. (7), a RAM (8), a system ROM (9), and a PROM (10) for storing the individual process control program and interrupt functions; an output cct. composed of an output port (11), a D/A converter (12), a system actuator (13); a floppy disk driver (14); and a monitor (15).
Abstract:
The new compound as 5-(2H-1-benzopyran-6-yl)-2-[1-(ethoxylimino) butyryl -3-hydroxy cyclohex-2-en-1-one (I) is prepared by (1) reacting 4-hydroxy benzaldehyde and 4-propazyl halide to get 4-propazyl 2H- 1- benzypyran-6- carboxaldehyde (II), (2) reacting (II) in alkali to get 4- (2H-1-benzopyran -6-y l0-3-buten-2-one (III), (3) reacting (III) with diethyl malonate to get 5-(2H-1-benzopyran-6-yl)- cyclohexan-1,3-dione (IV), (4) reacting (IV) with butyrate to get 2-butyryl-5-(2H-1-benzopyran-6-yl) -3-hydroxy cyclohex-2-en-1-one (V), reacting (V) with ethoxyl amine and sodium acetate to get (I). (I) as herbicide is useful for soybean, cotton, sugarbeet, sunflower, strawberry, wheat, corn and rice.