Hydrogenation of lysine precursors
    1.
    发明授权
    Hydrogenation of lysine precursors 失效
    LYSIN PRECURSORS加氢

    公开(公告)号:US3849481A

    公开(公告)日:1974-11-19

    申请号:US21596271

    申请日:1971-12-29

    Applicant: ALLIED CHEM

    CPC classification number: C07D211/60

    Abstract: 1. A PROCESS FOR THE CATALYTIC REDUCTION OF 2-OXIMINO-6NITROHEXANAMIDE TO PRODUCE AN ALKANOIC ACID SALT OF D,L-LYSINE AMIDE, COMPRISING: SUBJECTING 2-OXIMINO-6NITROHEXANZMIDE, AN ALKANOIC ACID CONTAINING 1-5 CARBON ATOMS AND HYDROGEN IN THE PRESENCE OF A RHODIUM METAL HYDROGENATION CATALYST, TO SUPERATMOSPHERIC PRESSURE, AT A TEMPERATURE ABOVE 15* C. TO CONVERT THE 2-OXIMINO-6NITROHEXANAMIDE TO SAID ALKANOIC ACID SALT OF D,L-LYSINE AMIDE.

    Preparation of n-acyl amino alkanoic acids
    2.
    发明授权
    Preparation of n-acyl amino alkanoic acids 失效
    N-亚氨基氨基酸的制备

    公开(公告)号:US3796751A

    公开(公告)日:1974-03-12

    申请号:US3796751D

    申请日:1970-10-12

    Applicant: ALLIED CHEM

    CPC classification number: C07C233/46

    Abstract: A PROCESS FOR TRANSFORMING AN ALKYL AMINO ACID SALT OF A MINERAL ACID INTO THE CORRESPONDING N-ACYL AMINO ALKANOIC ACID COMPRISING NEUTRALIZING THE MINERAL ACID PORTION. THE AMMONIUM SALT IS SEPARATED OUT BY ADDING ALKADROXIDE, SEPARATING OUT THE THEREBY FORMED AMMONIUM SALT OF THE MINERAL ACID, AND ACYLATING THE REMAINING SOLUTION. THE AMMONIUM SALT IS SEPARATED OUT BY ADDING ALKANOC ACID TO THE NEUTRALIZED SOLUTION.

    Two-step hydrogenation of lysine amide precursors
    3.
    发明授权
    Two-step hydrogenation of lysine amide precursors 失效
    LYSINE AMIDE PRECURSORS的两步氢化

    公开(公告)号:US3746763A

    公开(公告)日:1973-07-17

    申请号:US3746763D

    申请日:1971-12-29

    Applicant: ALLIED CHEM

    CPC classification number: C07D401/04

    Abstract: A PROCESS FOR THE PREPARATION OF D,L,-LYSINE AMIDE BY THE TWO-STEP HYDROGENATION OF 2-OXIMINO-6-NITROHEXANAMIDE. IN THE FIRST STEP, 2-OXIMINO-6-AMINOHEXANAMIDE IS PRODUCED AS AN INTERMEDIATE, AND CLAIMED AS A NEW PRODUCT. WATER IS REMOVED FROM THE REACTION PRODUCTS OF THE FIRST STEP, AND IN THE SECOND STEP THE INTERMEDIATE 2OXIMINO-6-AMINOHEXANAMIDE IS HYDROGENATED TO D,L,LYSINE AMIDE.

    Ammonolysis of 2-nitro-6-oximino cyclohexanone
    5.
    发明授权
    Ammonolysis of 2-nitro-6-oximino cyclohexanone 失效
    2-硝基-6-氧代环丙砜的分析

    公开(公告)号:US3803231A

    公开(公告)日:1974-04-09

    申请号:US32468973

    申请日:1973-01-18

    Applicant: ALLIED CHEM

    Abstract: 2-NITRO-6-OXIMINO CYCLOHEXANONE CAN BE REACTED WITH ANHYDROUS AMMONIA IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF C1 TO C4 ALKANOLS AND C4 TO C8 ALIPHATIC AND ALICYCLIC MONO- OR DI-ETHERS TO AFFORD 2-OXIMINO-6NITRO-CAPROMIDE, A PRECURSOR OF LYSINE.

    Process for the preparation of 2-oximino-6-nitro hexanamide
    6.
    发明授权
    Process for the preparation of 2-oximino-6-nitro hexanamide 失效
    制备2-氧嘧啶-6-硝基庚酰胺的方法

    公开(公告)号:US3732303A

    公开(公告)日:1973-05-08

    申请号:US3732303D

    申请日:1971-10-14

    Applicant: ALLIED CHEM

    CPC classification number: C07D401/04

    Abstract: 2-OXIMINO-6-NITRO HEXANAMIDE IS SUITABLY PURIFIED BY RECRYSTALLIZATION FROM A SOLVENT SELECTED FROM THE GROUP CONSISTING OF (A) C1 to C3 dialkyl ethers of ethylene glycol, and (b) C2 to C5 halogenated alkanes having a Cl/C atom ratio ranging from about 1:1 to 1:3.

    Abstract translation: (A)乙二醇的C1至C3二烷基醚和(b)具有Cl / C原子比的C 2至C 5卤代烷烃选自由下列组分组成的溶剂进行再结晶纯化的2-氧代 - 六氮杂十六烷 范围从约1:1至1:3。

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