GB1246958A – Process for producing 2,4-dihydroxybenzophenone
– Google Patents
GB1246958A – Process for producing 2,4-dihydroxybenzophenone
– Google Patents
Process for producing 2,4-dihydroxybenzophenone
Info
Publication number
GB1246958A
GB1246958A
GB429270A
GB429270A
GB1246958A
GB 1246958 A
GB1246958 A
GB 1246958A
GB 429270 A
GB429270 A
GB 429270A
GB 429270 A
GB429270 A
GB 429270A
GB 1246958 A
GB1246958 A
GB 1246958A
Authority
GB
United Kingdom
Prior art keywords
dihydroxybenzophenone
alkoxybenzophenones
hydroxy
weight
water
Prior art date
1970-01-29
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
GB429270A
Inventor
Hirohisa Shioda
Isamu Namiki
Hisako Hori
Yoshihisa Katsuyma
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
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.)
1970-01-29
Filing date
1970-01-29
Publication date
1971-09-22
1970-01-29
Application filed by Furukawa Electric Co Ltd
filed
Critical
Furukawa Electric Co Ltd
1970-01-29
Priority to GB429270A
priority
Critical
patent/GB1246958A/en
1971-09-22
Publication of GB1246958A
publication
Critical
patent/GB1246958A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
C07C45/46—Friedel-Crafts reactions
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
C07C45/008—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with tri- or tetrahalomethyl compounds
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
C08K5/00—Use of organic ingredients
C08K5/04—Oxygen-containing compounds
C08K5/07—Aldehydes; Ketones
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
C08K5/00—Use of organic ingredients
C08K5/04—Oxygen-containing compounds
C08K5/13—Phenols; Phenolates
C08K5/132—Phenols containing keto groups, e.g. benzophenones
Abstract
1,246,958. 2,4-Dihydroxybenzophenone; 2- hydroxy – 4 – alkoxybenzophenones. FURUKAWA DENKI KOGYO K.K. 29 Jan., 1970, No. 4292/70. Heading C2C. 2,4-Dihydroxybenzophenone is prepared by reacting resorcinol with benzotrichloride at 10-90‹ C. in a mixed solvent comprising 20- 90% by weight of water and 10-80% by weight of water-miscible organic solvent. The preferred organic solvents are C 1 -C 4 alkanols, especially methanol, ethylene glycol monoethyl ether, tetrahydrofuran, dioxane and acetic, propionic and butyric acids. Preferably an emulsifier is present in the reaction mixture. The 2,4-dihydroxybenzophenone so obtained may be converted to 2-hydroxy-4-alkoxybenzophenones by reacting with an alkyl halide or with an alkyl ester of benzene sulphonic or pmethyl benzene sulphonic acid in aqueous alkaline solution.
GB429270A
1970-01-29
1970-01-29
Process for producing 2,4-dihydroxybenzophenone
Expired
GB1246958A
(en)
Priority Applications (1)
Application Number
Priority Date
Filing Date
Title
GB429270A
GB1246958A
(en)
1970-01-29
1970-01-29
Process for producing 2,4-dihydroxybenzophenone
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB429270A
GB1246958A
(en)
1970-01-29
1970-01-29
Process for producing 2,4-dihydroxybenzophenone
Publications (1)
Publication Number
Publication Date
GB1246958A
true
GB1246958A
(en)
1971-09-22
Family
ID=9774398
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB429270A
Expired
GB1246958A
(en)
1970-01-29
1970-01-29
Process for producing 2,4-dihydroxybenzophenone
Country Status (1)
Country
Link
GB
(1)
GB1246958A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2473506A1
(en)
*
1980-01-11
1981-07-17
Solvay
PROCESS FOR THE MANUFACTURE OF SUBSTITUTED 2-HYDROXYBENZOPHENONES
US4568429A
(en)
*
1984-03-02
1986-02-04
Gaf Corporation
Process for the preparation of 2,4-dihydroxybenzophenones
1970
1970-01-29
GB
GB429270A
patent/GB1246958A/en
not_active
Expired
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2473506A1
(en)
*
1980-01-11
1981-07-17
Solvay
PROCESS FOR THE MANUFACTURE OF SUBSTITUTED 2-HYDROXYBENZOPHENONES
EP0032275A2
(en)
*
1980-01-11
1981-07-22
American Cyanamid Company
Process for the preparation of substituted 2-hydroxy-benzophenones
EP0032275A3
(en)
*
1980-01-11
1981-08-26
American Cyanamid Company
Process for the preparation of substituted 2-hydroxy-benzophenones
US4568429A
(en)
*
1984-03-02
1986-02-04
Gaf Corporation
Process for the preparation of 2,4-dihydroxybenzophenones
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