PROCESS FOR PRODUCING THIAZOLINES-(3)

    公开(公告)号:CA1005448A

    公开(公告)日:1977-02-15

    申请号:CA182070

    申请日:1973-09-27

    Applicant: DEGUSSA

    Abstract: 2 AND 5 SUBSTITUTED THIAZOLINE-(3) COMPOUNDS OF THE FORMULA: HC=N R1¦¦R3 ANGLE CC ANGLE (I) ANGLE R2SR4 in which R1, R2, and R3 and R4 are the same or different, R1 and R2 are straight or branched chain lower alkyl, alkenyl or aralkyl groups or together are a straight or branched chain alkylene or ethylenically unsaturated divalent aliphatic hydrocarbon group which joins with the adjacent carbon atom to form a ring and R3 and R4 are similarly defined except R3 can also be hydrogen by reaching a 2,2' dioxodisulfide of the formula OO C ANGLE C ANGLE H R1¦H¦R1 ANGLE C---S-S---C ANGLE (II) R2R2 with an oxo compound of the formula R3 ANGLE C=O R4 and with ammonia and hydrogen sulfide in the presence of an amine and an ammonium salt.

    2.
    发明专利
    未知

    公开(公告)号:BR8803516A

    公开(公告)日:1989-02-08

    申请号:BR8803516

    申请日:1988-07-13

    Applicant: DEGUSSA

    Abstract: A specific form of surface coating of Al2O3 catalysts, using additional amounts of aluminium ions and minimum amounts of platinum ions, made it possible to use Al2O3 as a catalyst for long-term operation (150 days and more) in the preparation of hydrogen cyanide from hydrocarbons and ammonia, preferably in the BMA process.

Patent Agency Ranking