IT964049B - Processo per la preparazione di difenoli - Google Patents

Processo per la preparazione di difenoli

Info

Publication number
IT964049B
IT964049B IT28265/72A IT2826572A IT964049B IT 964049 B IT964049 B IT 964049B IT 28265/72 A IT28265/72 A IT 28265/72A IT 2826572 A IT2826572 A IT 2826572A IT 964049 B IT964049 B IT 964049B
Authority
IT
Italy
Prior art keywords
diphenols
preparation
Prior art date
Application number
IT28265/72A
Other languages
English (en)
Inventor
P Maggioni
Original Assignee
Brichima Spa
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
Application filed by Brichima Spa filed Critical Brichima Spa
Priority to IT28265/72A priority Critical patent/IT964049B/it
Priority to US384416A priority patent/US3914323A/en
Priority to GB3817073A priority patent/GB1371759A/en
Priority to CA178,918A priority patent/CA1007250A/en
Priority to JP48091812A priority patent/JPS5139208B2/ja
Priority to BE134681A priority patent/BE803724A/xx
Priority to DE2341743A priority patent/DE2341743B2/de
Priority to FR7329995A priority patent/FR2196312B1/fr
Priority to NL7311388.A priority patent/NL163203C/xx
Priority to CH1190873A priority patent/CH573377A5/xx
Application granted granted Critical
Publication of IT964049B publication Critical patent/IT964049B/it

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
    • C07C37/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT28265/72A 1972-08-18 1972-08-18 Processo per la preparazione di difenoli IT964049B (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
IT28265/72A IT964049B (it) 1972-08-18 1972-08-18 Processo per la preparazione di difenoli
US384416A US3914323A (en) 1972-08-18 1973-08-01 Process for preparing diphenols
GB3817073A GB1371759A (en) 1972-08-18 1973-08-13 Process for preparing diphenols
CA178,918A CA1007250A (en) 1972-08-18 1973-08-16 Process for preparing diphenols
JP48091812A JPS5139208B2 (it) 1972-08-18 1973-08-17
BE134681A BE803724A (fr) 1972-08-18 1973-08-17 Procede de preparation de diphenols
DE2341743A DE2341743B2 (de) 1972-08-18 1973-08-17 Verfahren zur Herstellung einer Mischung aus Brenzkatechin und Hydrochinon
FR7329995A FR2196312B1 (it) 1972-08-18 1973-08-17
NL7311388.A NL163203C (nl) 1972-08-18 1973-08-17 Werkwijze voor het bereiden van een mengsel van pyrocatechol en hydrochinon.
CH1190873A CH573377A5 (it) 1972-08-18 1973-08-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT28265/72A IT964049B (it) 1972-08-18 1972-08-18 Processo per la preparazione di difenoli

Publications (1)

Publication Number Publication Date
IT964049B true IT964049B (it) 1974-01-21

Family

ID=11223254

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28265/72A IT964049B (it) 1972-08-18 1972-08-18 Processo per la preparazione di difenoli

Country Status (10)

Country Link
US (1) US3914323A (it)
JP (1) JPS5139208B2 (it)
BE (1) BE803724A (it)
CA (1) CA1007250A (it)
CH (1) CH573377A5 (it)
DE (1) DE2341743B2 (it)
FR (1) FR2196312B1 (it)
GB (1) GB1371759A (it)
IT (1) IT964049B (it)
NL (1) NL163203C (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1448357A (en) * 1974-04-04 1976-09-08 Ube Industries Process for preparing dihydric phenol derivatives
GB1448358A (en) * 1974-04-04 1976-09-08 Ube Industries Process for preparint dihydric phenol derivatives
FR2318851A1 (fr) * 1975-07-25 1977-02-18 Rhone Poulenc Ind Procede d'hydroxylation de composes aromatiques
FR2336364A1 (fr) * 1975-12-24 1977-07-22 Rhone Poulenc Ind Hydroxylation de composes aromatiques
JPS5343507U (it) * 1976-09-20 1978-04-14
DE3308726C2 (de) * 1983-03-11 1991-01-24 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Dihydroxybenzolen
US4588845A (en) * 1983-07-18 1986-05-13 Fmc Corporation Oxidation of unsaturated organic compounds with hydrogen peroxide
US5426244A (en) * 1991-12-20 1995-06-20 Mitsubishi Gas Chemical Company, Inc. Method for preparing dihydric phenols
CN1050537C (zh) * 1994-12-28 2000-03-22 中国科学院长春应用化学研究所 苯酚羟基化合成邻苯二酚(儿茶酚)、对苯二酚(氢醌)催化剂
CN1053389C (zh) * 1996-05-29 2000-06-14 吉林大学 苯酚过氧化氢羟化合成苯二酚的微孔树脂镶嵌的纳米粒子催化剂
CN1060970C (zh) * 1996-07-18 2001-01-24 吉林大学 芳烃氧化催化剂的制备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2395638A (en) * 1941-03-07 1946-02-26 Research Corp Hydroxylation of aromatic hydrocarbons
GB1198261A (en) * 1966-08-23 1970-07-08 Laporte Chemical Oxidation of Aromatic Compounds
US3662006A (en) * 1969-05-12 1972-05-09 Universal Oil Prod Co Hydroxylation of aromatic compounds

Also Published As

Publication number Publication date
JPS4992032A (it) 1974-09-03
FR2196312A1 (it) 1974-03-15
FR2196312B1 (it) 1977-02-25
CH573377A5 (it) 1976-03-15
DE2341743B2 (de) 1981-02-19
US3914323A (en) 1975-10-21
NL163203B (nl) 1980-03-17
GB1371759A (en) 1974-10-23
BE803724A (fr) 1973-12-17
JPS5139208B2 (it) 1976-10-26
NL7311388A (it) 1974-02-20
NL163203C (nl) 1980-08-15
DE2341743A1 (de) 1974-02-28
CA1007250A (en) 1977-03-22

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