NL7607345A - PROCESS FOR PREPARING 4.4'-DIHYDROXY -3.3'.5.5'-TETRALKYLDIPHENYL METHANE. - Google Patents

PROCESS FOR PREPARING 4.4'-DIHYDROXY -3.3'.5.5'-TETRALKYLDIPHENYL METHANE.

Info

Publication number
NL7607345A
NL7607345A NL7607345A NL7607345A NL7607345A NL 7607345 A NL7607345 A NL 7607345A NL 7607345 A NL7607345 A NL 7607345A NL 7607345 A NL7607345 A NL 7607345A NL 7607345 A NL7607345 A NL 7607345A
Authority
NL
Netherlands
Prior art keywords
tetralkyldiphenyl
dihydroxy
methane
preparing
tetralkyldiphenyl methane
Prior art date
Application number
NL7607345A
Other languages
Dutch (nl)
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.)
Filing date
Publication date
Priority claimed from DE19762602645 external-priority patent/DE2602645A1/en
Priority claimed from DE19762606636 external-priority patent/DE2606636A1/en
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of NL7607345A publication Critical patent/NL7607345A/en

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7607345A 1976-01-24 1976-07-02 PROCESS FOR PREPARING 4.4'-DIHYDROXY -3.3'.5.5'-TETRALKYLDIPHENYL METHANE. NL7607345A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19762602645 DE2602645A1 (en) 1976-01-24 1976-01-24 Tetra-alkyl bisphenols prepn. - by reaction of (2,6)-dialkyl phenols with formaldehyde using oxalic acid as catalyst
DE19762606636 DE2606636A1 (en) 1976-02-19 1976-02-19 (4,4')-Dihydroxy-(3,3',5,5')-tetraalkyl-diphenylmethane prodn. - from dialkyl-phenol by condensing with formaldehyde using oxalic acid catalyst

Publications (1)

Publication Number Publication Date
NL7607345A true NL7607345A (en) 1977-07-26

Family

ID=25769964

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7607345A NL7607345A (en) 1976-01-24 1976-07-02 PROCESS FOR PREPARING 4.4'-DIHYDROXY -3.3'.5.5'-TETRALKYLDIPHENYL METHANE.

Country Status (3)

Country Link
JP (1) JPS5291848A (en)
FR (1) FR2338917A1 (en)
NL (1) NL7607345A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3638631B2 (en) * 1994-06-07 2005-04-13 新日鐵化学株式会社 Method for producing bisphenol compound

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1032885A (en) * 1962-02-15 1966-06-15 Union Carbide Corp Preparation of polyphenylolalkanes
FR1331447A (en) * 1962-05-21 1963-07-05 Prod Chim Shell Saint Gobain S Process for the preparation of di (hydroxyaryl) alkanes
FR1418124A (en) * 1963-09-24 1965-11-19 Lubrizol Corp Process for preparing a phenolic composition exhibiting steric hindrance miscible with oil
FR2223416A1 (en) * 1973-03-28 1974-10-25 Dow Chemical Co Non cellular polyurethanes - from novolacs polyisocyanates and polyols

Also Published As

Publication number Publication date
FR2338917A1 (en) 1977-08-19
JPS5291848A (en) 1977-08-02

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Legal Events

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BV The patent application has lapsed