IT941666B - Preparazione di 3 3 5 5 tetraiso propil 4 4 idrossidifenile - Google Patents

Preparazione di 3 3 5 5 tetraiso propil 4 4 idrossidifenile

Info

Publication number: IT941666B
Authority: IT; Italy
Prior art keywords: hydroxidiphenyl; propil; tetraiso; preparation; tetraiso propil
Prior art date: 1970-08-08

Application number

IT27315/71A

Other languages

English (en)

Original Assignee

Ciba Geigy 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.)

1970-08-08

Filing date

1971-08-07

Publication date

1973-03-10

1971-08-07 Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag

1973-03-10 Application granted granted Critical

1973-03-10 Publication of IT941666B publication Critical patent/IT941666B/it

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

IT27315/71A 1970-08-08 1971-08-07 Preparazione di 3 3 5 5 tetraiso propil 4 4 idrossidifenile IT941666B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3831670		1970-08-08

Publications (1)

Publication Number	Publication Date
IT941666B true IT941666B (it)	1973-03-10

Family

ID=10402669

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT27315/71A IT941666B (it)	1970-08-08	1971-08-07	Preparazione di 3 3 5 5 tetraiso propil 4 4 idrossidifenile

Country Status (8)

Country	Link
US (1)	US3812193A (it)
JP (1)	JPS557411B1 (it)
CA (1)	CA919193A (it)
DE (1)	DE2139564C3 (it)
FR (1)	FR2104042A5 (it)
GB (1)	GB1318100A (it)
IT (1)	IT941666B (it)
NL (1)	NL7110891A (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4049731A (en) *	1975-07-14	1977-09-20	Ici United States Inc.	Stabilized polymerizable compositions
US4096190A (en) *	1976-11-26	1978-06-20	Ici Americas Inc.	Oxidative coupling of alkylphenols catalyzed by metal ammonia complexes
US4108908A (en) *	1977-02-18	1978-08-22	Ici Americas Inc.	Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of thio-acid compounds
US4100205A (en) *	1977-02-18	1978-07-11	Ici Americas Inc.	Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of aminoketo compounds
US4098830A (en) *	1977-02-18	1978-07-04	Ici Americas Inc.	Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of dicarboxylic acid compounds
US4100203A (en) *	1977-02-18	1978-07-11	Ici Americas Inc.	Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of an oxime of a keto or aldehyde compound
US4100206A (en) *	1977-02-18	1978-07-11	Ici Americas Inc.	Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of keto alcohol compounds
US4100204A (en) *	1977-02-18	1978-07-11	Ici Americas Inc.	Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of a hydroxy- or keto-acid compound
US4100202A (en) *	1977-02-18	1978-07-11	Ici Americas Inc.	Oxidative coupling of alkylphenols or 1-naphthols catalyzed by cupric complexes
US4156788A (en) *	1977-09-19	1979-05-29	Ici Americas Inc.	Process for purification of tetramethylbiphenol by entrainment sublimation
US4195189A (en) *	1979-02-15	1980-03-25	Ici Americas Inc.	Preparation of biphenols by the oxidative coupling of alkylphenols
US4851589A (en) *	1987-09-18	1989-07-25	Amoco Corporation	Oxidative coupling of alkylphenols by copper catalysts
US4965384A (en) *	1987-09-18	1990-10-23	Amoco Corporation	Production of copper amine salt complexes for catalysts for the oxidative coupling of alkylphenols
US5583267B1 (en) *	1995-01-27	1998-11-24	Enzymol International	Biocatalytic process for preparing tetraalkylbiphenols
US8664452B2 (en)	2010-06-23	2014-03-04	Harman Finochem Limited	Process for preparing extra pure 2, 6-diisopropyl phenol
CN103183587B (zh) *	2013-02-21	2014-07-16	西安力邦制药有限公司	3，3’，5，5’-四异丙基-4，4’-二联苯酚的新晶型及其制备方法
US11162424B2 (en)	2013-10-11	2021-11-02	Reaction Engines Ltd	Heat exchangers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL254702A (it) *	1955-03-21
GB1133405A (en) *	1966-05-26	1968-11-13	Ethyl Corp	A process for the production of bisphenols

1970
- 1970-08-08 GB GB383670*[A patent/GB1318100A/en not_active Expired
1971
- 1971-08-06 DE DE2139564A patent/DE2139564C3/de not_active Expired
- 1971-08-06 CA CA119967A patent/CA919193A/en not_active Expired
- 1971-08-06 FR FR7128873A patent/FR2104042A5/fr not_active Expired
- 1971-08-06 NL NL7110891A patent/NL7110891A/xx unknown
- 1971-08-07 IT IT27315/71A patent/IT941666B/it active
- 1971-08-07 JP JP5987271A patent/JPS557411B1/ja active Pending
- 1971-08-09 US US00170243A patent/US3812193A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE2139564A1 (de)	1972-02-17
CA919193A (en)	1973-01-16
US3812193A (en)	1974-05-21
GB1318100A (en)	1973-05-23
JPS557411B1 (it)	1980-02-25
DE2139564B2 (de)	1980-10-30
FR2104042A5 (it)	1972-04-14
DE2139564C3 (de)	1981-07-30
NL7110891A (it)	1972-02-10

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