公开(公告)号：US3712887A

公开(公告)日：1973-01-23

申请号：US3712887D

申请日：1970-10-02

Applicant: RHONE POULENC SA

Inventor： COLLEUILLE Y ,  GARDON R

IPC: C07D201/10 ,  C07D201/02 ,  C07D41/06

CPC classification number: C07D201/02

Abstract: E-CAPROLACTAM IS PREPARED FROM A CYCLOHEXANE OXIDATION PRODUCT CONTAINING CYCLOHEXYL HYDROPEROXIDE AND OXIDATION BY-PRODUCTS INCLUDING 6-HYDROPEROXY-HEXANOIC ACID, WHICH HAS BEEN OBTAINED BY LIQUID PHASE OXIDATION OF CYCLOHEXANE, WITHOUT A METAL CATALYST, USING A MOLECULAR OXYGEN CONTAINING GAS, BY WASHING THE OXIDATION PRODUCT WITH WATER, SEPARATING THE RESULTING AQUEOUS PHASE CONTAINING 6-HYDROPEROXYHEXANOIC ACID AND HEATING THE ACID UNDER PRESSURE WITH AMMONIA AND HYDROGEN IN THE PRESENCE OF A HYDROGENATION CATALYST.

公开(公告)号：US3786069A

公开(公告)日：1974-01-15

申请号：US3786069D

申请日：1971-05-04

Applicant: RHONE POULENC SA

Inventor： AVIRON VIOLET P ,  COLLEUILLE Y

IPC: C07D315/00 ,  C07D5/06

CPC classification number: C07D315/00

Abstract: 5-ALKYL-Y-BUTYROLACTONES ARE OBTAINED BY ISOMERIZING A LACTONE OF FORMULA

OC
WHERE N=4, 5, 6 OR 7 IN THE PRESENCE OF A SOLID ACIDIC CATALYST. VAPOR OF THE STARTING LACTONE IS CONTACTED WITH THE SOLID CATALYST WHICH EXHIBITS EITHER BRONSTED OR LEWIS ACIDITY E.G. BORON PHOSPHATE OR PHOSPHORIC ACID.

公开(公告)号：US3766239A

公开(公告)日：1973-10-16

申请号：US3766239D

申请日：1970-12-23

Applicant: RHONE POULENC SA

Inventor： COLLEUILLE Y ,  PERRON R

IPC: C07B61/00 ,  B01J23/00 ,  C07C67/00 ,  C07C253/00 ,  C07C253/26 ,  C07C253/28 ,  C07C255/08 ,  C07C121/02

CPC classification number: C07C253/26 ,  C07C253/28 ,  C07C253/34 ,  Y02P20/52 ,  C07C255/08 ,  C07C255/50

Abstract: NITRILES OF FORMULA YCN WHERE Y IS ALKYLPHENYL OR ALKENYL OF FORMULA

R2-C(-R3)=C(-R1)-

WHERE R1, R2 AND R3 ARE HYDROGEN OR ALKYL, AT LEAST ONE BEING METHYL, ARE OBTAINED BY VAPOUR PHASE AMMOXIDATION USING OXYGEN AND AMMONIA IN THE PRESENCE, AS CATALYST, OF AT LEAST ONE ELEMENT OF GROUPS I-B, III-A, III-B, IV-A, IV-B, V-A, V-B OR VI-B OF THE PERIODIC TABLE OR OF IRON OR OF AT LEAST ONE DERIVATIVE THEREOF.