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公开(公告)号:JPH02212496A
公开(公告)日:1990-08-23
申请号:JP2996489
申请日:1989-02-10
摘要: PURPOSE:To obtain the title compound useful as an intermediate for active ingredient compound of herbicide in a short time and in high yield by reacting a specific compound with carbon dioxide and hydrogen in the presence of a rhodium metal-containing catalyst. CONSTITUTION:A compound shown by formula I [R is lower alkyl; R is H, lower alkyl, halo-lower alkyl or (substituted) phenyl] is reacted with a mixed gas of 0.1-10mol carbon dioxide and 1mol hydrogen in the presence of 0.001-10g atom (calculated as rhodium metal based on 100mol compound shown by formula I) rhodium metal-containing catalyst (e.g. acetylacetonatobistriethylphoshite rhodium) and a promoter (e.g. triethyl phosphite) optionally in an inert solvent (e.g. benzene) under preferably normal pressure - 100kg/cm G at 20-200 deg.C to give the aimed compound shown by formula II.
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公开(公告)号:JPH027295B2
公开(公告)日:1990-02-16
申请号:JP14066481
申请日:1981-09-07
发明人: HOSHAMA HIROSHI , MUTO HIROYUKI , ARAYA SHUZO , OOTSUKA KANJI , TAKIGAWA SHINICHIRO , YAMAZAKI HIROYUKI
IPC分类号: B01J31/00 , B01J31/20 , B01J31/22 , C07B61/00 , C07C27/00 , C07C29/141 , C07C29/16 , C07C31/02 , C07C31/125 , C07C31/13 , C07C31/135 , C07C45/50 , C07C67/00
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公开(公告)号:JPH0225492A
公开(公告)日:1990-01-26
申请号:JP17555988
申请日:1988-07-14
发明人: ARAYA SHUZO , TAKIGAWA SHINICHIRO , SUZUKI FUMIO
摘要: PURPOSE:To suppress side reaction and obtain the subject compound useful as a herbicide in high yield by reacting amino-(hydroxymethylphosphinyl)butyric acid with acetic acid anhydride in the presence of water. CONSTITUTION:A 2-amino-4-(hydroxymethylphosphinyl)butyric acid expressed by formula I is reacted with acetic acid anhydride in the presence of water, as necessary, using a solvent, such as acetic acid, dioxan or THF, preferably at 40-80 deg.C to afford the objective compound expressed by formula II.
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公开(公告)号:JPH01224382A
公开(公告)日:1989-09-07
申请号:JP5049188
申请日:1988-03-03
摘要: NEW MATERIAL:The methyl-3-dialkoxypropylphosphinic acid derivative of formula I [R is alkyl; X is (halo) lower alkyl or (substituted) phenyl]. EXAMPLE:Methyl-3-(dimethoxy)propylphosphinic acid 2-chloroethyl ester. USE:An intermediate for herbicide. PREPARATION:A methylvinylphosphinic acid 2-chloroethyl ester of formula III is made to react with a compound of formula R -OH, hydrogen and carbon monoxide in the presence of a group VIII metal catalyst (e.g. dicobalt octacarbonyl).
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公开(公告)号:JPH04290834A
公开(公告)日:1992-10-15
申请号:JP8082991
申请日:1991-03-19
IPC分类号: B01J27/128 , B01J31/12 , C07B37/04 , C07B61/00 , C07C49/76 , C07C63/04 , C07C69/738 , C07C69/76 , C07C253/30 , C07C255/40 , C07C255/41 , C07D307/00 , C07D333/00
摘要: PURPOSE:To monoalkylate an aryl-substituted active methylene compound containing an electron attractive group at the m-position of phenyl group by using an inexpensively obtainable aldehyde. CONSTITUTION:A compound shown by formula I [R is COOH, COOR or COR ; R is 1-6C alkyl; R is 1-10C alkyl or phenyl, 1-naphthyl, 2-naphthyl, 2-thienyl, 3-thienyl, 2-furyl or 3-furyl which may contain substituent group (halogen, 1-4C alkyl or 1-4C alkoxy); Z is COR , benzoyl, furoyl, thenoyl or CN; R is 1-2C alkyl or 1-4C alkoxy] is reacted with a compound shown by the formula R CHO [R is H, 1-8C alkyl, phenyl, naphthyl, phenyl-(1-4C alkyl), 2-thienyl, 3-thienyl, 2-furyl or 3-furyl] and a synthesis gas in the presence of a metallic catalyst of group VIII of the periodic table to industrially and advantageously give a compound shown by formula II useful for producing fine chemicals such as medicines and agricultural chemicals.
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公开(公告)号:JPH03133961A
公开(公告)日:1991-06-07
申请号:JP26946789
申请日:1989-10-17
发明人: TAKIGAWA SHINICHIRO
IPC分类号: C07D231/14 , B01J21/06 , B01J31/02 , C07B61/00 , C07D231/16 , C07D231/18 , C07D231/38
摘要: PURPOSE:To obtain the subject compound for intermediate or herbicide in high yield by reacting pyrazole carboxylic acid compound with alcohols with using tetraalkoxytitanate, polymer of said compound or a compound modified with polymerization as a catalyst. CONSTITUTION:Pyrazole carboxylic acid expressed by formula I [X and Y are H, halogen, nitro, cyano, COOR , NR R , COR SO2NR R or SO2R (R and R are 1-4C alkyl); A is H or 1-4C alkyl] (e.g. 2,5-dichloro-1-methyl pyrazole-4-carboxylic acid) is reacted with alcohols expressed by formula II (R is 1-4C alkyl). In said reaction, alkoxytitanate, polymer of alkoxytitanate or modified compound by polymerization (e.g., tetraisopropyltitanate) is used as a catalyst to afford pyrazole carboxylic acid esters expressed by formula III.
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公开(公告)号:JPH0311087A
公开(公告)日:1991-01-18
申请号:JP14348889
申请日:1989-06-06
发明人: ARAYA SHUZO , TAKIGAWA SHINICHIRO , ARAI KAZUTAKA
IPC分类号: C07F9/30
摘要: NEW MATERIAL:The compound of formula I [R is lower (halo)alkyl; R is lower (halo)alkyl or (substituted) phenyl; M is ammonium ion, alkali metal ion or alkaline-earth metal ion]. EXAMPLE:2-Acetylamino-4-(hydroxymethyiphosphinyl)butyric acid 2-sodium salt. USE:A herbicide. PREPARATION:The objective compound can be produced by reacting a 2- acylamino-4-(alkoxyalkylphosphinyl)butyric acid derivative of formula II [R is H, lower (halo)alkyl or (substituted) phenyl; R is H or lower (halo)alkyl] with a base (e.g. sodium hydroxide).
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公开(公告)号:JPH0262304B2
公开(公告)日:1990-12-25
申请号:JP6237482
申请日:1982-04-16
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公开(公告)号:JPH02174746A
公开(公告)日:1990-07-06
申请号:JP30806988
申请日:1988-12-06
发明人: KAMIYA YOSHIO , NITAMURA SHIN , TAKIGAWA SHINICHIRO , ARAYA SHUZO , TANAKA NORIO
IPC分类号: B01J27/08 , B01J27/232 , B01J31/04 , B01J31/22 , C07B61/00 , C07C51/265 , C07C63/70 , C07C63/72 , C07C65/21 , C07C65/32 , C07C67/313 , C07C69/76 , C07C205/57 , C07C205/58 , C07C253/30 , C07C255/57 , C07C315/04 , C07C317/44 , C07C323/62
摘要: PURPOSE:To readily provide the subject compound useful as an intermediate for herbicides in a high yield without causing problems such as waste waters or wastes by oxidizing a specific substituted toluene as a raw material with an oxygen-containing gas in the presence of a catalyst. CONSTITUTION:A substituent toluene of formula I (W is H, halogen, CH3, CN, NO2, COOH, COOR, R1CO, R1S, R1SO2 or R2O; Y and Z are halogen, CH, NO2, COOH, COOR1, R1S, R1SO2 or R2O wherein R1 is 1-10C alkyl; R2 is 1-10C alkyl or phenyl) as a raw material is oxidized with an oxygen-containing gas in the presence of a metal compound catalyst such as iron formate, iron acetate or zirconium carbonate and, if necessary, a reaction accelerator comprising a bromine compound and a carbonyl compound to provide a compound of formula II (Q is H, halogen, CN, NO2, COOH, etc.). The reaction temperature is preferably 60-180 deg.C.
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公开(公告)号:JPH01249786A
公开(公告)日:1989-10-05
申请号:JP7989888
申请日:1988-03-31
发明人: TAKIGAWA SHINICHIRO , ARAYA SHUZO
摘要: PURPOSE:To readily obtain the subject compound useful as an intermediate for active ingredient compound for herbicide in a short time with a high yield and purity, by using a compound having halogenoethyl group directly bonded to phosphorus atom as a raw material. CONSTITUTION:A compound expressed by formula I (R is lower alkyl; R is H, lower alkyl, halogeno-lower alkyl or phenyl which may be substituted; X is halogen) is reacted with a compound expressed by the formula NH2-COR (R is alkyl or phenyl), carbon monoxide and hydrogen in the presence of a catalyst containing a metal of the group VIII of periodic table, preferably under 40-350kg/cm G reaction pressure at 40-200 deg.C reaction temperature to provide the aimed compound expressed by formula. Furthermore, as the catalyst, a cobalt carbonium compound is preferably used.
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