FR2348174A1 - PROCESS FOR THE PREPARATION OF GEMINATED DIHALOGENIDES - Google Patents

PROCESS FOR THE PREPARATION OF GEMINATED DIHALOGENIDES

Info

Publication number
FR2348174A1
FR2348174A1 FR7617118A FR7617118A FR2348174A1 FR 2348174 A1 FR2348174 A1 FR 2348174A1 FR 7617118 A FR7617118 A FR 7617118A FR 7617118 A FR7617118 A FR 7617118A FR 2348174 A1 FR2348174 A1 FR 2348174A1
Authority
FR
France
Prior art keywords
geminated
dihalogenides
preparation
geminated dihalogenides
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.)
Withdrawn
Application number
FR7617118A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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 DE2525442A external-priority patent/DE2525442C3/en
Priority claimed from DE19752533988 external-priority patent/DE2533988A1/en
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2348174A1 publication Critical patent/FR2348174A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B39/00—Halogenation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/18—Preparation of halogenated hydrocarbons by replacement by halogens of oxygen atoms of carbonyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
    • 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
    • C07C37/18—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 by condensation involving halogen atoms of halogenated compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/18—Fluorenes; Hydrogenated fluorenes
FR7617118A 1975-06-07 1976-06-04 PROCESS FOR THE PREPARATION OF GEMINATED DIHALOGENIDES Withdrawn FR2348174A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2525442A DE2525442C3 (en) 1975-06-07 1975-06-07 Process for the preparation of geminal dihalides
DE19752533988 DE2533988A1 (en) 1975-07-30 1975-07-30 Geminal dichlorides from aldehydes and ketones - by reaction with phosgene or thionyl chloride using a catalyst

Publications (1)

Publication Number Publication Date
FR2348174A1 true FR2348174A1 (en) 1977-11-10

Family

ID=25769002

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617118A Withdrawn FR2348174A1 (en) 1975-06-07 1976-06-04 PROCESS FOR THE PREPARATION OF GEMINATED DIHALOGENIDES

Country Status (4)

Country Link
JP (1) JPS51149201A (en)
FR (1) FR2348174A1 (en)
GB (1) GB1503408A (en)
NL (1) NL7606092A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5261169B2 (en) * 2008-12-26 2013-08-14 ユアン シン マテリアルズ テクノロジー コーポレイション Process for producing 1,4-bis (dichloromethyl) tetrafluorobenzene
CN108863736A (en) * 2018-07-27 2018-11-23 福州大学 A kind of preparation method of the aromatic carboxylic acids of carbonyl functionalization
CN114230434B (en) * 2021-12-28 2024-01-26 河南特格纳特科技有限公司 Method for producing trichlorobenzyl by directional chlorination of alkylbenzene
CN115160102B (en) * 2022-08-13 2024-02-06 上海珂华生物科技有限公司 Preparation method of gem dihalide

Also Published As

Publication number Publication date
GB1503408A (en) 1978-03-08
NL7606092A (en) 1976-12-09
JPS51149201A (en) 1976-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse