IT1190436B - Processo stereoselettivo per la preparazione di composti carbonilici alfa,beta-disostituiti otticamente attivi - Google Patents

Processo stereoselettivo per la preparazione di composti carbonilici alfa,beta-disostituiti otticamente attivi

Info

Publication number
IT1190436B
IT1190436B IT23216/85A IT2321685A IT1190436B IT 1190436 B IT1190436 B IT 1190436B IT 23216/85 A IT23216/85 A IT 23216/85A IT 2321685 A IT2321685 A IT 2321685A IT 1190436 B IT1190436 B IT 1190436B
Authority
IT
Italy
Prior art keywords
dispositived
alfa
beta
preparation
optically active
Prior art date
Application number
IT23216/85A
Other languages
English (en)
Other versions
IT8523216A0 (it
Inventor
Claudio Giordano
Graziano Castaldi
Silvia Cavicchioli
Francesco Minisci
Original Assignee
Zambon 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 Zambon Spa filed Critical Zambon Spa
Priority to IT23216/85A priority Critical patent/IT1190436B/it
Publication of IT8523216A0 publication Critical patent/IT8523216A0/it
Priority to EP86117050A priority patent/EP0236566A3/en
Priority to JP61295057A priority patent/JPS62145037A/ja
Application granted granted Critical
Publication of IT1190436B publication Critical patent/IT1190436B/it
Priority to US07/297,387 priority patent/US4973696A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/08—Bridged systems
    • 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
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • C07C45/59—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in five-membered rings
    • 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
    • C07C45/63—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 introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT23216/85A 1985-12-13 1985-12-13 Processo stereoselettivo per la preparazione di composti carbonilici alfa,beta-disostituiti otticamente attivi IT1190436B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT23216/85A IT1190436B (it) 1985-12-13 1985-12-13 Processo stereoselettivo per la preparazione di composti carbonilici alfa,beta-disostituiti otticamente attivi
EP86117050A EP0236566A3 (en) 1985-12-13 1986-12-08 Stereoselective process for preparing optically active alpha, beta-disubstituted carbonyl compounds
JP61295057A JPS62145037A (ja) 1985-12-13 1986-12-12 光学活性α，β−二基置換カルボニル化合物の立体選択性製造方法
US07/297,387 US4973696A (en) 1985-12-13 1989-01-17 Stereoselective process for preparing optically active alpha, beta-disubstituted carbonyl compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23216/85A IT1190436B (it) 1985-12-13 1985-12-13 Processo stereoselettivo per la preparazione di composti carbonilici alfa,beta-disostituiti otticamente attivi

Publications (2)

Publication Number Publication Date
IT8523216A0 IT8523216A0 (it) 1985-12-13
IT1190436B true IT1190436B (it) 1988-02-16

Family

ID=11204984

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23216/85A IT1190436B (it) 1985-12-13 1985-12-13 Processo stereoselettivo per la preparazione di composti carbonilici alfa,beta-disostituiti otticamente attivi

Country Status (4)

Country Link
US (1) US4973696A (it)
EP (1) EP0236566A3 (it)
JP (1) JPS62145037A (it)
IT (1) IT1190436B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5371069A (en) * 1990-12-12 1994-12-06 Giuaudan-Roure Corporation Organoleptic compositions
JP6898212B2 (ja) * 2017-11-29 2021-07-07 長谷川香料株式会社 香料組成物、これを含有する飲食品および香粧品、ならびにアセタール化合物およびその製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL125833C (it) * 1957-09-10 1900-01-01
DE3567209D1 (en) * 1984-04-06 1989-02-09 Zambon Spa Optically active ketals, processes for their preparation and their use in the synthesis of apha-arylakanoic acids
IT1188181B (it) * 1985-07-31 1988-01-07 Zambon Spa Processo per la preparazione di acidi carbossilici otticamente attivi e relativi intermedi
IT1190399B (it) * 1985-10-04 1988-02-16 Zambon Spa Processo per la preparazione di composti carbonilici otticamente attivi
IT1190398B (it) * 1985-10-04 1988-02-16 Zambon Spa Processo per la preparazione di alfa aloalchil-aril-chetoni otticamente attivi
IT1185998B (it) * 1985-10-07 1987-11-18 Sgs Microelettronica Spa Dispositivo mcs di potenza utilizzabile sia come transistore mos a canale n che come transistore mos a canale p

Also Published As

Publication number Publication date
IT8523216A0 (it) 1985-12-13
EP0236566A3 (en) 1988-07-13
EP0236566A2 (en) 1987-09-16
JPS62145037A (ja) 1987-06-29
US4973696A (en) 1990-11-27

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971124