Process for producing alcohols of the furan series
    2.
    发明授权
    Process for producing alcohols of the furan series 失效
    生产FURAN系列酒精的方法

    公开(公告)号:US3847952A

    公开(公告)日:1974-11-12

    申请号:US15760871

    申请日:1971-06-28

    CPC分类号: C07D307/42 C07D307/44

    摘要: 1. A METHOD OF PRODUCING AN ALCOHOL OF THE FURAN SERIES HAVING THE FORMULA:

    2-(HO-CH2-),5-R-FURAN

    WHEREIN R IS H, CH3, CH2OH, CL OR BR, SAID METHOD COMPRISING FEEDING AN AQUEOUS SOLUTION OF AN ALDEHYDE OF THE FURAN SERIES HAVING THE FORMULA:

    2-(H-CO-),5-R-FURAN

    WHEREIN R IS DEFINED ABOVE AND CONTAINING FROM 2 TO 5% BY WT. OF AN INORGANIC OR ORGANIC ACID ONTO AN AMALGAM OF AN ALKALI METAL OF 0.1-3.0 N CONCENTRATION AT A RATE PROVIDING DECOMPOSITION OF THE AMALGAM OF FROM 800 TO 300 A./M.2 WHILE SATURATING THE ALDEHYDE SOLUTION WITH CARBON DIOXIDE TO NEUTRALIZE ALKALI DEVELOPED DURING AMALGAM DECOMPOSITON.

    Preparation of 5-benzyl-3-furylmethanol
    7.
    发明授权
    Preparation of 5-benzyl-3-furylmethanol 失效
    5-苄基-3-呋喃麦芽糖的制备

    公开(公告)号:US3781308A

    公开(公告)日:1973-12-25

    申请号:US3781308D

    申请日:1972-07-03

    申请人: ZOECON CORP

    发明人: SIDDALL J

    CPC分类号: C07D307/42 C07D307/68

    摘要: THERMAL CONDENSATION OF 5-BENZYLFURAN WITH AN ALKYL PROPIOLATE TO FORM AN INTERMEDITE BICYCLIC COMPOUND WHICH, BY REVERSE REACTION AND SUBSEQUENT REDUCTION OF THE ESTER GROUP, YIELDS 5-BENZYL-3-FURYLMETHANOL, USEFUL AS INTERMEDIATE IN THE MANUFACTURE OF PYRETHROID INSECTICIDES.

    1-hydrocarbylamino-3-(ortho-furylmethyloxyphenoxy or tetrahydrofurylmethyloxy-phenoxy)-2-propanol compounds
    8.
    发明授权
    1-hydrocarbylamino-3-(ortho-furylmethyloxyphenoxy or tetrahydrofurylmethyloxy-phenoxy)-2-propanol compounds 失效
    1-甲酰氨基-3-(正戊氧基甲基氧基或四氢呋喃基)甲氧基 - 丙氧基)-2-丙醇化合物

    公开(公告)号:US3723476A

    公开(公告)日:1973-03-27

    申请号:US3789570

    申请日:1970-05-15

    摘要: Phenoxy-aminopropanol derivatives of the formula

    WHEREIN R1 is furylmethyl, thienylmethyl, tetrahydrofurylmethyl, pyridylmethyl, or a group of the formula R-X-A-, wherein R is C1 4 alkyl, C1 4 alkenyl, phenyl or benzyl, X is -O- or -S-, and A is C1 4 alkylene or -CH2C*CCH2-; -N(R2)(R3) is C1 4 alkylamino, dialkylamino (each alkyl being at most four carbon atoms), cyclohexylamino, piperidino, morpholino or 4-methyl-1piperazinyl; and R4 is H, CH3 or Cl, and pharmaceutically acceptable acid addition salts thereof, are useful as Beta adrenergic blocking agents.

    摘要翻译: 式WHERE R1的苯氧基 - 氨基丙醇衍生物是呋喃基甲基,噻吩基甲基,四氢呋喃基甲基,吡啶基甲基或式RXA-的基团,其中R是C1-4烷基,C1-4链烯基,苯基或苄基,X是-O-或 -S-,A为C 1-4亚烷基或-CH 2 C 3 OCH 3 - ; -N(R 2)(R 3)是C 1-4烷基氨基,二烷基氨基(各烷基至多4个碳原子),环己基氨基,哌啶子基,吗啉代或4-甲基-1-哌嗪基; 并且R 4为H,CH 3或Cl及其药学上可接受的酸加成盐,可用作β-肾上腺素能阻断剂。

    Process for producing furoic acid derivatives
    9.
    发明授权
    Process for producing furoic acid derivatives 失效
    生产丙酸衍生物的方法

    公开(公告)号:US3567744A

    公开(公告)日:1971-03-02

    申请号:US3567744D

    申请日:1968-07-15

    CPC分类号: C07D307/68 C07D317/30

    摘要: A NOVEL PROCESS FOR PRODUCING 5-SUBSTITUTED 3-FUROIC ACID DERIVATIVES USEFUL AS INTERMEDIATES IN A SYNTHESIS OF INSECTICIDES. FOR EXAMPLE 5-BENZYL-3-FUROIC ACID IS PRODUCED BY REACTING ETHYLENE KETAL OF ETHYL LEVULINATE WITH ETHYL FORMATE IN THE PRESENCE OF SODIUM HYDRIDE TO YIELD ETHYLENE KETAL OF ETHYL A-FORMYL-LEVULINATE, RING-CLOSING THE RESULTANT ETHYLENE KETAL OF ETHYL A-FORMYL-LEVULINATE BY CONTACTING IT WITH HYDROCHLORIC ACID TO YIELD ETHYL 5-METHYL-3FUROATE, BROMINATING THE RESULTANT ETHYL 5-METHYL-3FUROATE TO YIELD ETHYL 2-BROMO-5-BROMOMETHYL-3-FUROATE, REACTING THE RESULTANT ETHYL 2 - BROMO-5-BROMO-METHYL-3FUROATE WITH BENZENE IN THE PRESENCE OF ALUMINUM CHLORIDE TO YIELD ETHYL 2-BROMO-5-BENZYL-3-FUROATE AND, AFTER HYDROLYZING THE ESTER TO AN ACID, REACTING THE RESULTANT 2BROMO - 5 - BENZYL - 3-FUROIC ACID WITH ZINC POWDER IN AN AQUEOUS AMMONIA SOLUTION TO YIELD 5-BENZYL-3-FUROIC ACID.

    Certain furylmethyl and thenyl esters of certain cyclopropane carboxylic acids
    10.
    发明授权
    Certain furylmethyl and thenyl esters of certain cyclopropane carboxylic acids 失效
    某些CYROPROPANE CARBOXYLIC酸的某些呋喃米尔和噻吩

    公开(公告)号:US3857863A

    公开(公告)日:1974-12-31

    申请号:US16836971

    申请日:1971-08-02

    CPC分类号: C07D307/42 C07D307/56

    摘要: A cyclopropanecarboxylate represented by the formula,

    WHEREIN R1 is hydrogen atom, methyl or ethyl group, R2 is methyl, ethyl, 2-methyl-1-propenyl or 2-methoxycarbonyl-1propenyl group when R1 is hydrogen atom, or R2 is methyl or ethyl group when R1 is methyl or ethyl group, and R3 and R4 are respectively hydrogen atom, methyl or ethyl group, provided that the case where R1, R3 and R4 are simultaneously hydrogen atom is excluded, R5 is a lower alkynyl or a lower alkenyl group, R6 is a lower alkynyl, a lower alkenyl or a lower alkoxyalkyl group, R7 is hydrogen atom, a lower alkyl or a lower alkoxy group or a halogen atom, n is 1 or 2, and X is oxygen or sulfur atom, which is useful as an active ingredient of insecticides.

    摘要翻译: 由式表示的环丙烷羧酸酯,其中当R1是氢原子时,R1是氢原子,甲基或乙基,R2是甲基,乙基,2-甲基-1-丙烯基或2-甲氧基羰基-1-丙烯基,或R2是甲基 或R1为甲基或乙基时为乙基,R3和R4分别为氢原子,甲基或乙基,但R1,R3和R4同时为氢原子的情况除外,R5为低级炔基或低级 烯基,R6为低级炔基,低级烯基或低级烷氧基烷基,R7为氢原子,低级烷基或低级烷氧基或卤素原子,n为1或2,X为氧或硫原子, 其作为杀虫剂的活性成分是有用的。