[go: up one dir, main page]

IT1161225B - Prodn. of 2,3-di:hydro-2,2-di:methyl -7-benzo-furanol - Google Patents

Prodn. of 2,3-di:hydro-2,2-di:methyl -7-benzo-furanol

Info

Publication number
IT1161225B
IT1161225B IT20739/83A IT2073983A IT1161225B IT 1161225 B IT1161225 B IT 1161225B IT 20739/83 A IT20739/83 A IT 20739/83A IT 2073983 A IT2073983 A IT 2073983A IT 1161225 B IT1161225 B IT 1161225B
Authority
IT
Italy
Prior art keywords
prodn
furanol
benzo
hydro
methyl
Prior art date
Application number
IT20739/83A
Other languages
Italian (it)
Other versions
IT8320739A0 (en
Inventor
Emilio Perrotti
Carlo Neri
Villiam Giroldini
Antonio Rinaldi
Original Assignee
Anic 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 Anic Spa filed Critical Anic Spa
Publication of IT8320739A0 publication Critical patent/IT8320739A0/en
Priority to IT20739/83A priority Critical patent/IT1161225B/en
Priority to EP84200540A priority patent/EP0123357A3/en
Priority to NO841531A priority patent/NO841531L/en
Priority to AU27059/84A priority patent/AU2705984A/en
Priority to ES532167A priority patent/ES8602736A1/en
Priority to DK200784A priority patent/DK200784A/en
Priority to US06/602,214 priority patent/US4562266A/en
Priority to IL71591A priority patent/IL71591A/en
Priority to CA000452373A priority patent/CA1212682A/en
Priority to SU843732808A priority patent/SU1355129A3/en
Priority to SU853853839A priority patent/SU1376945A3/en
Application granted granted Critical
Publication of IT1161225B publication Critical patent/IT1161225B/en

Links

Landscapes

  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Prodn. of 2,3-dihydro-2,2-dimethyl -7-benzofuranol of formula (I) comprises (1) reaction of t-butyl catechol (II) or catechol (III) with isobutyraldehyde (IV) in presence of an oxide, hydroxide, alcoholate or carboxylate of a metal of Gps. IA, IIA, IIB or VIIB of the Periodic System; (2) rearrangement of the prods., opt. after removal of low boiling components, by contact with an acidic cpd., followed by recovery of (I), opt. after further treatment.
IT20739/83A 1983-04-22 1983-04-22 Prodn. of 2,3-di:hydro-2,2-di:methyl -7-benzo-furanol IT1161225B (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
IT20739/83A IT1161225B (en) 1983-04-22 1983-04-22 Prodn. of 2,3-di:hydro-2,2-di:methyl -7-benzo-furanol
EP84200540A EP0123357A3 (en) 1983-04-22 1984-04-16 Process for the preparation of 2,3-bihydro-2,2-dimethyl-7-benzofuranol
NO841531A NO841531L (en) 1983-04-22 1984-04-17 PROCEDURE FOR PREPARING 2,3-BIHYDRO-2,2-DIMETHYL-7,7-BENZOFURANOL.
ES532167A ES8602736A1 (en) 1983-04-22 1984-04-18 Process for the preparation of 2,3-bihydro-2,2-dimethyl-7-benzofuranol.
AU27059/84A AU2705984A (en) 1983-04-22 1984-04-18 Process for the preparation of 2,3-dihydro-2,2-dimethyl-7- benzofuranol
DK200784A DK200784A (en) 1983-04-22 1984-04-18 METHOD FOR PREPARING 2,3-DIHYDRO-2,2-DIMETHYL-7-BENZOFURANOL
US06/602,214 US4562266A (en) 1983-04-22 1984-04-19 Process for the preparation of 2,3-dihydro-2,2-dimethyl-7-benzofuranol
IL71591A IL71591A (en) 1983-04-22 1984-04-19 Process for the preparation of 2,3-dihydro-2,2-dimethyl-7-benzofuranol
CA000452373A CA1212682A (en) 1983-04-22 1984-04-19 Process for the preparation of 2,3-bihydro-2,2- dimethyl-7-benzofuranol
SU843732808A SU1355129A3 (en) 1983-04-22 1984-04-20 Method of producing 2.3-dihydro-2.2-dimethyl- 7 - benzofuranol
SU853853839A SU1376945A3 (en) 1983-04-22 1985-02-11 Method of producing 2.3-dihydro-2.2-dimethyl-7-benzofuranole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20739/83A IT1161225B (en) 1983-04-22 1983-04-22 Prodn. of 2,3-di:hydro-2,2-di:methyl -7-benzo-furanol

Publications (2)

Publication Number Publication Date
IT8320739A0 IT8320739A0 (en) 1983-04-22
IT1161225B true IT1161225B (en) 1987-03-18

Family

ID=11171324

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20739/83A IT1161225B (en) 1983-04-22 1983-04-22 Prodn. of 2,3-di:hydro-2,2-di:methyl -7-benzo-furanol

Country Status (1)

Country Link
IT (1) IT1161225B (en)

Also Published As

Publication number Publication date
IT8320739A0 (en) 1983-04-22

Similar Documents

Publication Publication Date Title
ES294388A1 (en) A method of preparing an olefinic hydrocarbon (Machine-translation by Google Translate, not legally binding)
JPS51140488A (en) Mask alignment device
ES8404987A1 (en) A PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF TETRAHIDRONAFTALENO AND INDANO.
IT1161225B (en) Prodn. of 2,3-di:hydro-2,2-di:methyl -7-benzo-furanol
JPS51146758A (en) Process for treating a drain water containing polyvinyl alcohol
ES425059A1 (en) Process for the recovery of pure alpha-bisabolol
FR2556115B1 (en) IMPROVEMENTS ON CODE CONTROL DEVICES
JPS52142904A (en) Voice recognition system
JPS53108743A (en) Retrieval system
GB942964A (en) Purification of butynediol
JPS5422139A (en) Retrial system
JPS5388561A (en) Protecting method for gate turn-off thyristor
JPS5244055A (en) Underground tank
GB985158A (en) Electrolyte for electro-chemical removal of materials
ES397810A1 (en) Procedure for the obtaining of lactulose from lactose. (Machine-translation by Google Translate, not legally binding)
JPS53100713A (en) Encoding unit
ES260014A1 (en) Procedure for obtaining and purificating d - (-) - i-p-nitrofenil-2-dichloracetamido-1-3-propanodiol (Machine-translation by Google Translate, not legally binding)
JPS5387644A (en) Error check system
JPS53116690A (en) Device for notifying starting of man conveyor
JPS5220657A (en) Apparatus for purification of water
JPS5243103A (en) Automatic pump
JPS5249995A (en) Method for purificating raw aqueous solution of zinc chloride system
JPS5213032A (en) Urgent stop device of a diesel engine
JPS51143224A (en) Car driving device for physically handicapped person
JPS5211899A (en) Telephone for emergency