Preparation of esters
    4.
    发明授权
    Preparation of esters 失效
    胚乳的制备

    公开(公告)号:US3839374A

    公开(公告)日:1974-10-01

    申请号:US20620071

    申请日:1971-12-08

    Applicant: TEXACO INC

    Inventor: LOVE R

    CPC classification number: C07C67/00

    Abstract: 1. A METHOD FOR THE PREPARATION OF ESTERS WHICH COMPRISES CATALYTICALLY ELAVING AND REACTING AN ALPHA-BITROKETONE WHEREIN SAID ALPHA-NITROKETONE CORRESPONDS TO THE FORMULA:

    R-CO-C(-R1)(-R2)-NO2

    WHERE R IS AN ALKYL GROUP OF 1 TO 20 CARBON ATOMS OR AN ARYL GROUP OF FROM 6 TO 20 CARBON ATOMS, AND WHERE R1 AND R2 AR HYDROGEN, ALKYL GROUPS OF FROM 1 TO 20 CARBON ATOMS OR ALKYL GROUPS OF FROM 6 TO 20 CARBON ATOMS WITH AN ALCOHOL AT A TEMPERATURE OF FROM ABOUT 20*C, TO 120*C. IN A NON-AQUEOUS ENVIROMENT WITH A SUBSTANTIALLY INSOLUBLE CATALYST SELECTED FROM THE GROUP CONSISTING OF CARBONATES, FLUORIDES AND SALTS OF WEAKLY ACID ION EXCHANGE RESINS OF THE METALS SODIUM, POTASSIUM AND CALCIUM.

    Catalytic method for the preparation of omega-nitroesters
    5.
    发明授权
    Catalytic method for the preparation of omega-nitroesters 失效
    用于制备欧米茄的催化方法

    公开(公告)号:US3839371A

    公开(公告)日:1974-10-01

    申请号:US20619671

    申请日:1971-12-08

    Applicant: TEXACO INC

    Inventor: LOVE R

    CPC classification number: C10L1/231 C07C201/12 C07C205/51

    Abstract: 1. A METHOD FOR THE PREPARATION OF OMEGA-NITROESTERS WHICH COMPRISES CATALYTICALLY CLEAVING AND REACTING A CYCLIC ALPHA-NITROKETONE CORRESPONDING TO THE FORMULA:

    O2N-CH
    WHERE R IS A POLYMETHYLENE RADICAL OF FROM 1 TO 2 CARBONS OR A SUBSTITUTED POLYMETHYLENE RADICAL OF 2 T 22 CARBONS CONTAINING ONE OR MORE SUBSTITUTENTS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL, WITH AN ALCOHOL AT A TEMPERATURE OF FROM ABOUT 20*C. TO 120*C. IN A NON-AQUEOUS ENVIROMENT IN THE PRESENCE OF A SUBSTANTIALLY INSOLUBLE CATALYST SELECTED FROM THE GROUP CONSISTING OF CARBONATES, FLUORIDES, AND SALTS OF WEAKLY ACIDIC ION EXCHANGE RESINS OF THE METALS SODIUM, POTASSIUM, CALCIUM AND BARIUM.

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