公开(公告)号：US3813377A

公开(公告)日：1974-05-28

申请号：US19504371

申请日：1971-11-02

Applicant: SNAM PROGETTI

Inventor： MAURI M ,  MOGGI P ,  ROMANO U

IPC: C07D209/08 ,  C07D209/86 ,  C07D27/64

CPC classification number: C07D209/86 ,  C07D209/08

Abstract: THE PRESENT INVENTION PROVIDES A NOVEL OXIDATIVE DEHYDROCYCLIZATION PROCESS WHEREIN IMINES SUCH AS N-ETHYLIDENECYLOHEXYLAMINE ARE USED TO PREPARE INDOLE BY A REACTION IN THE PRESENCE OF OXYGEN AND A CATALYST SUCH AS SILICA.

公开(公告)号：US3847937A

公开(公告)日：1974-11-12

申请号：US25288572

申请日：1972-05-12

Applicant: SNAM PROGETTI

Inventor： MOGGI P ,  ROMANO U

IPC: C07D209/04 ,  C07D209/08 ,  C07D215/04 ,  C07D27/56

CPC classification number: C07D215/04 ,  C07D209/08

Abstract: 1. A PROCESS FOR PREPARING INDOLE BY PYROLYSIS, COMPRISING SUBJECTING 1,1''-DIPHENYLAMINOETHANE TO A TEMPERATURE OF ABOUT 500*C. TO ABOUT 700*C. FOR A TIME FROM ABOUT 2 TO ABOUT 5 SECONDS.

公开(公告)号：US3843680A

公开(公告)日：1974-10-22

申请号：US18507571

申请日：1971-09-30

Applicant: SNAM PROGETTI

Inventor： MAURI M ,  MOGGI P

IPC: C07D209/08 ,  C07D27/56

CPC classification number: C07D209/08

Abstract: Di- or polynuclear heterocyclic compounds are prepared through an oxidative dehydrocyclization of a substituted monocyclic aromatic compound.

公开(公告)号：US3824252A

公开(公告)日：1974-07-16

申请号：US17786671

申请日：1971-09-03

Applicant: SNAM PROGETTI

Inventor： MAURI M ,  MOGGI P ,  ROMANO U

IPC: C07D209/08 ,  C07D27/56

CPC classification number: C07D209/08

Abstract: PROCESS FORPRODUCING INDOLE AND ITS DERIVATIVES BY OXIDIZING AROMATIC AMINES WITH AN ORAGANIC NITROCOMPOUND AT TEMPERATURES RANGING FROM 300*C. TO 700*C. IN THE VAPOR PHASEIN THE PRESENCE OF CONTACT MASSES.

公开(公告)号：US3773784A

公开(公告)日：1973-11-20

申请号：US3773784D

申请日：1970-10-16

Applicant: SNAM PROGETTI

Inventor： MAURI M ,  MILANESE S ,  MOGGI P

IPC: B01J23/18 ,  B01J23/28 ,  B01J23/31 ,  B01J23/84 ,  B01J23/843 ,  B01J27/00 ,  B01J27/02 ,  C07B61/00 ,  C07D209/04 ,  C07D209/08 ,  C07D307/79 ,  C07D333/54 ,  C07D333/72 ,  C07D27/56 ,  C07D5/32 ,  C07D63/20

CPC classification number: C07D307/79 ,  B01J23/18 ,  B01J23/28 ,  B01J23/31 ,  B01J23/84 ,  B01J23/8435 ,  B01J27/02 ,  C07D209/04 ,  C07D209/08 ,  C07D333/54

Abstract: INDOLES, BENZOTHIOPHENES AND BENZOFURANS ARE PREPARED BY OXIDATIVE DEHYDROCYCLIZATION OF SUBSTITUTED AROMATIC COMPOUNDS IN THE PRESENCE OF AN OXYGEN-CONTAINING GAS AND AN ACTIVATED SILICA CATALYST.