-
公开(公告)号:KR1019920003895B1
公开(公告)日:1992-05-18
申请号:KR1019900003392
申请日:1990-03-14
Applicant: 한국화학연구원
IPC: C07D271/06
Abstract: 3-Fluoromethyl substd. 1,2,4-oxadiazole derivs. of formula (I) are new. In the formula (I), R=H, halogen, alkoxy, alkyl substd. phenyl, phenylmethyl opt. substd. by H, halogen, methyl, alkoxy, fluoromethyl, nitro substd. phenoxymethyl or thiophenoxymethyl or halogen substd. phenyl sulfonyl methyl. The cpds.(I) are pref. 3-fluoromethyl-5-(4'-chlorophenyl)methyl- 1,2,4oxadiazole, 3-fluoromethyl-5-(2'-methyl-4'-chlorophenoxy) methyl1, 2, 4- oxadiazole , 3-fluoromethyl- 5-[1- methyl-1- (2', 4', 6'trichlorophenoxy) methyl-1,2,4-oxadiazole, etc. The cpds. (I) are useful as an insecticides.
Abstract translation: 3-氟甲基。 1,2,4-恶二唑衍生物。 式(I)的化合物是新的。 在式(I)中,R = H,卤素,烷氧基,烷基。 苯基,苯甲基选择。 substd。 由H,卤素,甲基,烷氧基,氟甲基,硝基取代。 苯氧基甲基或硫代苯氧基甲基或卤素取代。 苯基磺酰基甲基。 cpds(I)是pref。 3-氟甲基-5-(4'-氯苯基)甲基-1,2,4-恶二唑,3-氟甲基-5-(2'-甲基-4'-氯苯氧基)甲基1,2,4-恶二唑,3-氟甲基-5 - [1-甲基-1-(2',4',6'三氯苯氧基)甲基-1,2,4-恶二唑等。 (I)可用作杀虫剂。
-
-
-
-
公开(公告)号:KR1019910005421B1
公开(公告)日:1991-07-29
申请号:KR1019870008039
申请日:1987-07-23
Applicant: 한국화학연구원
IPC: C07J5/00
Abstract: Brassinolide analogues of formula (I) and (II), useful as a plant growth regulator, are presented. For the prepn. of (I), 6,6- ethylen-2alpha, 3alphaisopropylen-dioxy-5alpha-pregnan-20S-carboxyldehyde is reacted with wittig reagent, and the protecting gp. is removed. The ketone gp. of (I) is reacted with a reducing agent to obtain (II). In the formulas, R= H, C1-10 straigh chain aliphatic gp., C3-10 side chain aliphatic gp., cyclo gp., methylmethylsulfinyl, ethoxymelthyl or aromatic gp. opt. substd. by C1-3 alkyl.
Abstract translation: 提供了可用作植物生长调节剂的式(I)和(II)的油菜素内酯类似物。 对于prepn。 (I),6,6-亚乙基-2α,3α异丙基 - 二氧-5α-孕烷-20S-羧醛与Wittig试剂反应,并保护gp。 被删除。 酮gp。 的(I)与还原剂反应得到(II)。 在式中,R = H,C 1-10直链脂族基团,C 3-10侧链脂族基团,环gp,甲基亚甲基亚磺酰基,乙氧基乙基或芳香族gp。 选择。 substd。 通过C 1-3烷基。
-
公开(公告)号:KR1019910005420B1
公开(公告)日:1991-07-29
申请号:KR1019870008013
申请日:1987-07-23
Applicant: 한국화학연구원
IPC: C07J5/00
Abstract: Brassinolide analogues of formula (I) are prepd. by reacting 6,6- ethylen- 2alpha, 3alpha-isopropylen-dioxy-5alpha-pregnan-20S-carboxaldehyde with gregnard reagent, and removing the protecting gp. In (I), R= H, C1-10 straigth chain aliphatic gp., C3-10 side chain aliphatic gp., cyclo gp., methylmethylsulfinyl, ethoxymethyl or armatic gp. opt. substd. by C1-3 alkyl. (I) are useful as a plant growth regulator.
Abstract translation: 式(I)的油菜素内酯类似物是制备的。 通过使6,6-亚乙基-2α,3α-异丙基 - 二氧-5α-孕烷-20S-甲醛与绿色试剂反应,并除去保护gp。 在(I)中,R = H,C 1-10直链脂肪族Gp,C 3-10侧链脂族基团,环Gp,甲基亚甲基亚磺酰基,乙氧基甲基或犰狳gp。 选择。 substd。 通过C 1-3烷基。 (I)可用作植物生长调节剂。
-
公开(公告)号:KR1019910005378B1
公开(公告)日:1991-07-29
申请号:KR1019870008041
申请日:1987-07-23
Applicant: 한국화학연구원
IPC: C07J5/00
Abstract: Brassinolide analogues of formula (I) are prepd. by reacting 6,6- ethylene- 2alpha, 3alpha-isopropylen-dioxy-5alpha-pregnan-20S-carboxyaldehyde with lithiumaluminum hydride, treating the obtd. cpd. with acid to remove the protecting gp., and reacting with borane to reduce the 6- position of kefone gp.. In (I), R= H, C1-10 straigth chain aliphatic gp., C3-10 side chain aliphatic gp., cyclo gp., methylmethylsulfonyl, ethoxymethyl or aromatic opt. substd by C1-3 alkyl. (I) are useful as a plant growth regulator.
Abstract translation: 式(I)的油菜素内酯类似物是制备的。 通过使6,6-乙烯-2α,3α-异丙基 - 二氧-5α-孕烷-20S-羧基甲醛与氢化锂铝反应,处理该物质。 CPD。 用酸去除保护gp,并与硼烷反应以减少凯福酮gp的6-位。在(I)中,R = H,C 1-10直链脂肪族gp,C 3-10侧链脂族gp。 ,环gp,甲基甲基磺酰基,乙氧基甲基或芳基选择。 被C 1-3烷基取代。 (I)可用作植物生长调节剂。
-
公开(公告)号:KR1019910002875B1
公开(公告)日:1991-05-09
申请号:KR1019890005165
申请日:1989-04-19
Applicant: 한국화학연구원
IPC: C07D271/06
Abstract: 1,2,4-Oxadiazole derivs. having a 2,4-D substituent of formula (I) are prepared. In (I), R=phenoxymethyl [substd. by 1 or 2 halogen atom(s) , benzenethiomethyl, halomethyl, hydroxymethyl, acetyloxymethyl, halomethyl, hydroxymethyl, acetyloxymethyl, haloacetyloxymethyl, lower alkyl- or phenyl carbamoyloxymethyl, phenoxyacetyloxymethyl, isocyanooxymethyl, benzenesulfonyl methyl, methanesulfonyloxymethyl, benzoyloxymethyl [substd. by 2 halogen atom(s) , fluoro substd. ethoxymethyl, phthaloamidemethyl, pyrrolidinoylmethyl, succinamidemethyl, etc. The derivs. are useful as a herbicide.
Abstract translation: 1,2,4-恶二唑衍生物。 制备具有式(I)的2,4-D取代基。 在(I)中,R =苯氧基甲基[ 苯甲硫基甲基,卤代甲基,羟甲基,乙酰氧基甲基,卤代乙酰氧基甲基,低级烷基或苯基氨基甲酰氧基甲基,苯氧基乙酰氧基甲基,异氰酰氧基甲基,苯磺酰基甲基,甲磺酰氧基甲基,苯甲酰氧基甲基。 由2个卤素原子,氟取代。 乙氧基甲基,邻苯二甲酰胺甲基,吡咯烷基甲基,琥珀酰胺甲基等。 可用作除草剂。
-
-
-
-
-
-
-
-