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    OXIDATION OF 2-MERCAPTOETHANOL
    1.
    发明申请
    OXIDATION OF 2-MERCAPTOETHANOL 审中-公开
    2-巯基乙醇的氧化

    公开(公告)号：US20160318860A1

    公开(公告)日：2016-11-03

    申请号：US15102586

    申请日：2014-12-09

    Applicant: BASF SE

    Inventor： NICOLAS VAUTRAVERS ,  Joaquim H. TELES

    IPC: C07C319/24 ,  C10M135/24 ,  C07C323/12

    CPC classification number: C07C319/24 ,  C07C323/12 ,  C10M135/24 ,  C10M2219/084

    Abstract: The present invention relates to a process for the preparation of bis-(2-hydroxyethyl)-disulfide by oxidizing 2-mercaptoethanol with oxygen in a reaction mixture comprising at least one homogeneously distributed iron comprising salt or complex as catalyst and at least one tertiary amine, to bis-(2-hydroxyethyl)-disulfide, obtainable with the process, and to the use of this bis-(2-hydroxyethyl)-disulfide as intermediate in the manufacture of chemical compounds, such as lubricant additives and in the tertiary oil recovery.

    Abstract translation: 本发明涉及通过在包含至少一种均匀分布的包含盐或络合物作为催化剂的均匀分布的铁和至少一种叔胺的反应混合物中用氧氧化2-巯基乙醇来制备双 - （2-羟乙基） - 二硫化物的方法 ，可以通过该方法获得的双 - （2-羟乙基） - 二硫化物，以及使用该双 - （2-羟乙基） - 二硫化物作为制备化学化合物如润滑剂添加剂和在三次油中的中间体 复苏。

    PART-STREAM DISTILLATION
    4.
    发明申请
    PART-STREAM DISTILLATION 审中-公开

    公开(公告)号：US20160115140A1

    公开(公告)日：2016-04-28

    申请号：US14787956

    申请日：2014-04-28

    Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

    Inventor： Joaquim H. TELES ,  Dominic RIEDEL ,  Bianca SEELIG ,  Philip KAMPE ,  Daniel URBANCZYK ,  Markus WEBER ,  Alexander SCHROEDER ,  Andrei-Nicolae PARVULESCU ,  Ulrich MUELLER ,  Meinolf WEIDENBACH ,  Werner WITZL ,  Holger BAER

    IPC: C07D301/12 ,  B01D3/14 ,  C07D301/32

    CPC classification number: C07D301/12 ,  B01D3/143 ,  C07D301/32

    Abstract: A continuous process for the preparation of propylene oxide, comprising (a) reacting propene, optionally admixed with propane, with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B, optionally propene and optionally propane, wherein the normal boiling point of the at least one component B is higher than the normal boiling point of acetonitrile and wherein the decadic logarithm of the octanol-water partition coefficient (log Kow) of the at least one component B is greater than zero; (b) separating propylene oxide from S0, obtaining a stream S1 containing acetonitrile, water and the at least one further component B; (c) dividing S1 into two streams S2 and S3; (d) subjecting S3 to a vapor-liquid fractionation in a fractionation unit, obtaining a vapor fraction stream S4 being depleted of the at least one component B; (e) recycling at least a portion of S4, optionally after work-up, to (a).

    Abstract translation: 一种用于制备环氧丙烷的连续方法，包括（a）在乙腈作为溶剂的存在下，在反应装置中将丙烯任选与丙烷混合，与过氧化氢反应，得到含有环氧丙烷，乙腈，水的流S0 至少一种另外的组分B，任选的丙烯和任选的丙烷，其中至少一种组分B的标准沸点高于乙腈的标准沸点，其中辛醇 - 水分配系数（log Kow）的十进制对数 所述至少一个组分B大于零; （b）从S0分离环氧丙烷，得到含有乙腈，水和至少一种其它组分B的料流S1; （c）将S1划分成两个流S2和S3; （d）使S3在分馏装置中进行汽 - 液分馏，得到耗尽至少一种B成分的蒸汽馏分流S4; （e）将至少一部分S4，任选地在后处理之后再循环至（a）。

    PROCESS FOR THE DIMERIZATION OF ACTIVATED OLEFINS
    6.
    发明申请
    PROCESS FOR THE DIMERIZATION OF ACTIVATED OLEFINS 有权

    公开(公告)号：US20170107168A1

    公开(公告)日：2017-04-20

    申请号：US15312033

    申请日：2015-05-19

    Applicant: BASF SE

    Inventor： Nicolas VAUTRAVERS ,  Joaquim H. TELES ,  Albrecht BERKESSEL ,  Mathias PAUL ,  Veera R. YATHAM

    IPC: C07C67/347 ,  B01J31/02

    CPC classification number: C07C67/347 ,  B01J31/0244 ,  B01J2231/20 ,  C07C69/593

    Abstract: The present invention relates to a process for the preparation of compounds or a mixture of compounds of the general formulae I.a or I.b wherein R1 is selected from C1-C12-alkyl, C3-C6-cycloalkyl, —C(═O)OR2, —PO(OR2a)2, aryl and hetaryl, R2, R2a are independently of each other selected from the group consisting of hydrogen, C1-C12-alkyl, C1-C12-alkenyl, where the last two radicals mentioned are unsubstituted, partly or completely halogenated or substituted by 1, 2, 3 or 4 radicals selected from the group consisting of C1-C6-alkoxy and CN, C3-C6-cycloalkyl, C3-C6-cycloalkyl-C1-C4-alkyl, aryl and aryl-C1-C4-alkyl, where the last four radicals mentioned are unsubstituted or substituted by 1, 2, 3 or 4 radicals selected from the group consisting of C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C1-C6-haloalkoxy, —CN, and halogen, which comprises dimerizing olefin compound of the general formula II, in the presence of at least one N-heterocyclic carbene catalyst.

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