IL66778A - Isolation of pyrocatecholmonoethers from reaction mixtures - Google Patents

Isolation of pyrocatecholmonoethers from reaction mixtures

Info

Publication number: IL66778A
Authority: IL; Israel
Prior art keywords: isolation; ether; reaction mixture; hydrocarbon; pyrocatecholmonoethers
Prior art date: 1981-09-16

Application number

IL66778A

Other languages

English (en)

Other versions

IL66778A0 (en

Original Assignee

Bayer 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.)

1981-09-16

Filing date

1982-09-13

Publication date

1986-02-28

1982-09-13 Application filed by Bayer Ag filed Critical Bayer Ag

1982-12-31 Publication of IL66778A0 publication Critical patent/IL66778A0/xx

1986-02-28 Publication of IL66778A publication Critical patent/IL66778A/xx

Links

239000011541 reaction mixture Substances 0.000 title abstract 4
238000002955 isolation Methods 0.000 title abstract 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 6
239000004215 Carbon black (E152) Substances 0.000 abstract 3
229930195733 hydrocarbon Natural products 0.000 abstract 3
150000002430 hydrocarbons Chemical class 0.000 abstract 3
238000000605 extraction Methods 0.000 abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 1
239000000010 aprotic solvent Substances 0.000 abstract 1
238000009835 boiling Methods 0.000 abstract 1
239000003795 chemical substances by application Substances 0.000 abstract 1
150000002576 ketones Chemical class 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
238000002360 preparation method Methods 0.000 abstract 1
239000002904 solvent Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/16—Preparation of ethers by reaction of esters of mineral or organic acids with hydroxy or O-metal groups
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/38—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Polyethers (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

IL66778A 1981-09-16 1982-09-13 Isolation of pyrocatecholmonoethers from reaction mixtures IL66778A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19813136810 DE3136810A1 (de)	1981-09-16	1981-09-16	Verfahren zur isolierung von dihydroxybenzol-monoethern aus reaktionsgemischen

Publications (2)

Publication Number	Publication Date
IL66778A0 IL66778A0 (en)	1982-12-31
IL66778A true IL66778A (en)	1986-02-28

Family

ID=6141844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL66778A IL66778A (en)	1981-09-16	1982-09-13	Isolation of pyrocatecholmonoethers from reaction mixtures

Country Status (10)

Country	Link
US (2)	US4486611A (fr)
EP (1)	EP0074591B1 (fr)
JP (1)	JPS5859932A (fr)
AT (1)	ATE17709T1 (fr)
BR (1)	BR8205410A (fr)
CA (1)	CA1209581A (fr)
DE (2)	DE3136810A1 (fr)
DK (1)	DK412882A (fr)
IL (1)	IL66778A (fr)
ZA (1)	ZA826754B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4420642A (en) *	1982-02-18	1983-12-13	Fmc Corporation	Selective removal and recovery of catechol mixed with 2-methallyloxyphenol
KR102328033B1 (ko) *	2016-03-01	2021-11-17	니폰 제온 가부시키가이샤	모노에테르화체를 포함하는 용액 조성물의 제조 방법, 용액 조성물, 및 중합성 화합물의 제조 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA742275A (en) *		1966-09-06	S. B. Penick And Company	Manufacture of guaiacol
DE809197C (de) *	1949-10-11	1951-07-23	Chemische Werke Huels G M B H	Verfahren zur Reinigung von AEthern mehrwertiger Alkohole
GB1041764A (en) *	1964-02-12	1966-09-07	S B Penick & Company	Manufacture of guaiacol
US3274260A (en) *	1964-08-31	1966-09-20	Universal Oil Prod Co	Method for producing monoalkyl ethers of dihydric phenols
US3441616A (en) *	1966-11-07	1969-04-29	Wyandotte Chemicals Corp	Process for recovery of polyether polyols from polyurethane reaction products
US3689570A (en) *	1970-01-14	1972-09-05	Peter S Gradeff	Monoalkylation of unsubstituted dihydric phenols with lower alkyl chlorides using alkali metal carbonates or bicarbonates as a condensing agent
DE2126150A1 (en) *	1971-05-26	1972-12-07	Farbenfabriken Bayer Ag, 5090 Leverkusen	2-alkoxyphenol purifcn - using amino cpds
JPS51108026A (en) *	1975-03-14	1976-09-25	Ube Industries	2kafuenooru no monoarukirueeteru no seizoho
FR2406622A1 (fr) *	1977-10-20	1979-05-18	Philagro Sa	Procede de monoetherification selective de la pyrocatechine
FR2461708A1 (fr) *	1979-07-18	1981-02-06	Rhone Poulenc Agrochimie	Preparation de dihydrodimethylhydroxy-7 benzofurane
DE2932458A1 (de) *	1979-08-10	1981-02-26	Bayer Ag	Herstellung von monoalkylethern von hydroxyphenolen und deren umwandlung zu hydroxycumaranen
US4380654A (en) *	1982-02-18	1983-04-19	Fmc Corporation	Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran

1981
- 1981-09-16 DE DE19813136810 patent/DE3136810A1/de not_active Withdrawn
1982
- 1982-08-30 US US06/412,643 patent/US4486611A/en not_active Expired - Fee Related
- 1982-09-04 AT AT82108169T patent/ATE17709T1/de not_active IP Right Cessation
- 1982-09-04 DE DE8282108169T patent/DE3268832D1/de not_active Expired
- 1982-09-04 EP EP82108169A patent/EP0074591B1/fr not_active Expired
- 1982-09-13 JP JP57158244A patent/JPS5859932A/ja active Pending
- 1982-09-13 IL IL66778A patent/IL66778A/xx unknown
- 1982-09-15 CA CA000411462A patent/CA1209581A/fr not_active Expired
- 1982-09-15 DK DK412882A patent/DK412882A/da unknown
- 1982-09-15 BR BR8205410A patent/BR8205410A/pt unknown
- 1982-09-15 ZA ZA826754A patent/ZA826754B/xx unknown
1984
- 1984-05-23 US US06/612,962 patent/US4647676A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
ATE17709T1 (de)	1986-02-15
US4647676A (en)	1987-03-03
EP0074591B1 (fr)	1986-01-29
CA1209581A (fr)	1986-08-12
ZA826754B (en)	1983-07-27
EP0074591A1 (fr)	1983-03-23
DE3136810A1 (de)	1983-03-31
US4486611A (en)	1984-12-04
BR8205410A (pt)	1983-08-23
DE3268832D1 (en)	1986-03-13
JPS5859932A (ja)	1983-04-09
IL66778A0 (en)	1982-12-31
DK412882A (da)	1983-03-17

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