GB1032885A - Preparation of polyphenylolalkanes - Google Patents
Preparation of polyphenylolalkanesInfo
- Publication number
- GB1032885A GB1032885A GB303663A GB303663A GB1032885A GB 1032885 A GB1032885 A GB 1032885A GB 303663 A GB303663 A GB 303663A GB 303663 A GB303663 A GB 303663A GB 1032885 A GB1032885 A GB 1032885A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phenols
- hexenal
- phenol
- specified
- catalyst
- 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
Links
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
- C07C37/20—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 using aldehydes or ketones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3215—Polyhydroxy compounds containing aromatic groups or benzoquinone groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Polyphenylol alkanes are prepared by condensing a monohydric phenol with an olefinically unsaturated aldehyde using as catalyst a mixture comprising 0.01 to 50 mol per cent of a boric acid and 99.99 to 50 mol per cent of an organic acid having O linked to a C atom adjacent a COOH group, e.g. citric, salicylic, lactic, tartaric or oxalic. Specified phenols are phenol, alkyl phenols and polynuclear phenols; specified aldehydes are acrolein, methacrolein, crotonaldehyde, tigladehyde, 2-pentenal, 2-ethyl-2-hexenal, 2-methyl-2-hexenal and 2-decenal. Phenols having only one active ring position, e.g. 2,6-xylenol, yield the triphenylol derivative. Tri-, penta- and hepta-phenylol derivatives of other phenols may be obtained by using excess phenol.ALSO:Polyphenylolalkanes are prepared by condensing a monohydric phenol with an olefinically unsaturated aldehyde using as catalyst a mixture comprising (a) boric acid, and (b) an organic acid containing a <FORM:1032885/C3/1> grouping, e.g. citric, salicylic, lactic, tartaric or oxalic acid. Specified phenols are phenol, alkyl phenols and the polynuclear phenols; specified aldehydes are acrolein, methacrolein, crotonaldehyde, tiglaldehyde, 2-pentenol, 2-ethyl-2-hexenal, 2-methyl-2-hexenal, and 2-decenal. The catalyst mixture is preferably equimolar but can contain from 0.01 to 50 mol. of boron compound and 99.99 to 50 mol. of organic acid. The products may be used as intermediates in the production of polyurethane foams.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17333262A | 1962-02-15 | 1962-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1032885A true GB1032885A (en) | 1966-06-15 |
Family
ID=22631549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB303663A Expired GB1032885A (en) | 1962-02-15 | 1963-01-24 | Preparation of polyphenylolalkanes |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1259347B (en) |
GB (1) | GB1032885A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2338917A1 (en) * | 1976-01-24 | 1977-08-19 | Bayer Ag | (4,4')-Dihydroxy-(3,3',5,5')-tetraalkyl-diphenylmethane prodn. - from dialkyl-phenol by condensing with formaldehyde using oxalic acid catalyst |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1061791B (en) * | 1953-07-16 | 1959-07-23 | Union Carbide Corp | Process for the production of low molecular weight polycondensation products |
-
1963
- 1963-01-24 GB GB303663A patent/GB1032885A/en not_active Expired
- 1963-01-30 DE DEU9540A patent/DE1259347B/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2338917A1 (en) * | 1976-01-24 | 1977-08-19 | Bayer Ag | (4,4')-Dihydroxy-(3,3',5,5')-tetraalkyl-diphenylmethane prodn. - from dialkyl-phenol by condensing with formaldehyde using oxalic acid catalyst |
Also Published As
Publication number | Publication date |
---|---|
DE1259347B (en) | 1968-01-25 |
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