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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
Inventor: ASINGER FRIEDRICH , PFEIFER WOLF-DIETER , OFFERMANNS HERIBERT , SCHERBERICH PAUL , SCHREYER GERD
IPC: C07D277/10 , C07D277/60
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.
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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
Inventor: WITZEL MICHAEL , KLEINSCHMIT PETER , PFEIFER WOLF-DIETER , VOIGT CARL , ALBERS PETER
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.
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公开(公告)号:FI59399C
公开(公告)日:1981-08-10
申请号:FI300772
申请日:1972-10-30
Applicant: DEGUSSA
Inventor: ASINGER FRIEDRICH , PFEIFER WOLF-DIETER , OFFERMANNS HERIBERT , SCHERBERICH PAUL , SCHREYER GERD
IPC: C07C319/02 , C07C67/00 , C07C313/00 , C07C323/43 , C07C323/58 , C07D277/06 , C07D277/12 , C07D277/60 , C07C149/243
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公开(公告)号:FI59399B
公开(公告)日:1981-04-30
申请号:FI300772
申请日:1972-10-30
Applicant: DEGUSSA
Inventor: ASINGER FRIEDRICH , PFEIFER WOLF-DIETER , OFFERMANNS HERIBERT , SCHERBERICH PAUL , SCHREYER GERD
IPC: C07C319/02 , C07C67/00 , C07C313/00 , C07C323/43 , C07C323/58 , C07D277/06 , C07D277/12 , C07D277/60 , C07C149/243
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公开(公告)号:NO137090B
公开(公告)日:1977-09-19
申请号:NO395272
申请日:1972-11-01
Applicant: DEGUSSA
Inventor: ASINGER FRIEDRICH , PFEIFER WOLF-DIETER , OFFERMANNS HERIBERT , SCHERBERICH PAUL , SCHREYER GERD
IPC: C07C319/02 , C07C67/00 , C07C313/00 , C07C323/43 , C07C323/58 , C07D277/06 , C07D277/12 , C07D277/60 , C07C149/243
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公开(公告)号:CA1035774A
公开(公告)日:1978-08-01
申请号:CA204676
申请日:1974-07-12
Applicant: DEGUSSA
Inventor: SCHERBERICH PAUL , PFEIFER WOLF-DIETER
IPC: C07D295/08 , C07C67/00 , C07C231/00 , C07C231/02 , C07C233/03 , C07C233/05 , C07D211/32 , C07D233/20 , C07D239/10 , C07D239/74 , C07D277/04 , C07D277/06 , C07D277/20 , C07D277/44 , C07D277/46 , C07D277/60 , C07D295/10 , C07D295/18 , C07D295/182
Abstract: Organic basic nitrogen compounds are formylated in the presence of acetic anhydride by adding the nitrogen compound as a salt and carrying out the formylation with an alkali or ammonium formate in an organic solvent having limited miscibility with water.
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公开(公告)号:NO137090C
公开(公告)日:1977-12-28
申请号:NO395272
申请日:1972-11-01
Applicant: DEGUSSA
Inventor: ASINGER FRIEDRICH , PFEIFER WOLF-DIETER , OFFERMANNS HERIBERT , SCHERBERICH PAUL , SCHREYER GERD
IPC: C07C319/02 , C07C67/00 , C07C313/00 , C07C323/43 , C07C323/58 , C07D277/06 , C07D277/12 , C07D277/60 , C07C149/243
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公开(公告)号:CA966854A
公开(公告)日:1975-04-29
申请号:CA159703
申请日:1972-12-21
Applicant: DEGUSSA
Inventor: ASINGER FRIEDRICH , PFEIFER WOLF-DIETER , OFFERMANNS HERIBERT , SCHERBERICH PAUL , SCHREYER GERD
IPC: C07C319/02 , C07C67/00 , C07C313/00 , C07C323/43 , C07C323/58 , C07D277/06 , C07D277/12 , C07D277/60
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