GB1385396A - Production of indole - Google Patents

Production of indole

Info

Publication number
GB1385396A
GB1385396A GB593174A GB593174A GB1385396A GB 1385396 A GB1385396 A GB 1385396A GB 593174 A GB593174 A GB 593174A GB 593174 A GB593174 A GB 593174A GB 1385396 A GB1385396 A GB 1385396A
Authority
GB
United Kingdom
Prior art keywords
indole
weight
copper
silica
chromium dioxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB593174A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ruetgers Germany GmbH
Original Assignee
Ruetgerswerke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ruetgerswerke AG filed Critical Ruetgerswerke AG
Publication of GB1385396A publication Critical patent/GB1385396A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/013—Preparation of halogenated hydrocarbons by addition of halogens
    • C07C17/02—Preparation of halogenated hydrocarbons by addition of halogens to unsaturated hydrocarbons

Abstract

1385396 Indole RUTGERSWERKE AG 8 Feb 1974 [10 Jan 1974] 05931/74 Addition to 1362510 Heading C2C Indole is prepared by heating o-ethylaniline in the gaseous phase and in the presence of water vapour and of a silica catalyst containing chromium dioxide, at least 15% by weight of copper and at least 8% by weight of a chromate of a metal from Group IIa of the Periodic Table. The preferred catalyst comprises 55-65% by weight of silica, 18-24% of copper, 8-10% of barium chromate and 2-4% of chromium dioxide. Any o-aminostyrene produced may be recycled.
GB593174A 1971-11-12 1974-02-08 Production of indole Expired GB1385396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712156190 DE2156190B2 (en) 1971-11-12 1971-11-12 Process for the production of 1,2-dichloroethane from exhaust gases containing ethylene

Publications (1)

Publication Number Publication Date
GB1385396A true GB1385396A (en) 1975-02-26

Family

ID=5824888

Family Applications (2)

Application Number Title Priority Date Filing Date
GB5213672A Expired GB1405926A (en) 1971-11-12 1972-11-10 Preparation of 1,2-dichloroethane
GB593174A Expired GB1385396A (en) 1971-11-12 1974-02-08 Production of indole

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB5213672A Expired GB1405926A (en) 1971-11-12 1972-11-10 Preparation of 1,2-dichloroethane

Country Status (5)

Country Link
DE (1) DE2156190B2 (en)
FR (1) FR2159467B1 (en)
GB (2) GB1405926A (en)
IT (1) IT974485B (en)
NL (1) NL7215258A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443615A (en) * 1981-11-10 1984-04-17 Tanabe Seiyaku Co., Ltd. Process for preparing indoles

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024610A1 (en) * 1980-06-28 1982-01-28 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING 1,2-DICHLORAETHANE
DE10207217C1 (en) * 2002-02-21 2003-03-27 Vinnolit Technologie Gmbh & Co Production of 1,2-dichloroethane, used as intermediate for vinyl chloride, involves dissolving chlorine in circulating liquid medium containing catalyst and removing undissolved gas before contact with ethylene solution

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1529249A (en) * 1966-07-07 1968-06-14 Huels Chemische Werke Ag Process for preparing 1, 2-dichloroethane
NL6706807A (en) * 1967-05-17 1967-07-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443615A (en) * 1981-11-10 1984-04-17 Tanabe Seiyaku Co., Ltd. Process for preparing indoles

Also Published As

Publication number Publication date
DE2156190B2 (en) 1974-06-20
FR2159467B1 (en) 1977-12-23
DE2156190A1 (en) 1973-05-24
NL7215258A (en) 1973-05-15
IT974485B (en) 1974-06-20
GB1405926A (en) 1975-09-10
FR2159467A1 (en) 1973-06-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee