GB1162126A - Process for making Adducts of Hexachlorocyclopentadiene and Tetrahydrophthalic Anhydride - Google Patents

Process for making Adducts of Hexachlorocyclopentadiene and Tetrahydrophthalic Anhydride

Info

Publication number
GB1162126A
GB1162126A GB694767A GB694767A GB1162126A GB 1162126 A GB1162126 A GB 1162126A GB 694767 A GB694767 A GB 694767A GB 694767 A GB694767 A GB 694767A GB 1162126 A GB1162126 A GB 1162126A
Authority
GB
United Kingdom
Prior art keywords
tetrahydrophthalic anhydride
hexachlorocyclopentadiene
feb
hydrogen
aromatic
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.)
Expired
Application number
GB694767A
Inventor
Carleton Whitman Roberts
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB1162126A publication Critical patent/GB1162126A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
    • C07C23/18—Polycyclic halogenated hydrocarbons
    • C07C23/20—Polycyclic halogenated hydrocarbons with condensed rings none of which is aromatic
    • C07C23/38—Polycyclic halogenated hydrocarbons with condensed rings none of which is aromatic with three condensed rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,162,126. Adducts of hexachlorocyclopenadiene and tetrahydrophthalic anhydride. DOW CHEMICAL CO. 14 Feb., 1967 [16 Feb., 1966], No. 6947/67. Heading C2C. 1,2,3,4,9,9 - Hexachloro - 1,4,4a,5,6,7,8,8a - 1,4 - methano - naphthalene - 6,7 - dicarboxylic anhydride is prepared by reacting approximately stoichiometric proportions of hexachlorocyclopentadiene and tetrahydrophthalic anhydride with each other at a temperature in the range 175-195‹ C. in the presence of an inert aromatic hydrocarbon, aromatic halohydrocarbon or hydrogenated aromatic hydrocarbon, boiling at a temperature in the range 165-260‹ C., the inert liquid acting as solvent and reaction medium. The inert liquid is used in an amount equal or less in weight than the reactants. The preferred solvents are decalin and aromatic compounds having the formula in which R is a C 1 -C 4 alkyl radical, Y is chlorine or a C 1 -C 4 alkyl radical, X and Z are hydrogen or C 1 -C 4 alkyl radicals, with the proviso that X and Z cannot both be hydrogen when R is methyl, and mixtures of these compounds.
GB694767A 1966-02-16 1967-02-14 Process for making Adducts of Hexachlorocyclopentadiene and Tetrahydrophthalic Anhydride Expired GB1162126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52777866A 1966-02-16 1966-02-16

Publications (1)

Publication Number Publication Date
GB1162126A true GB1162126A (en) 1969-08-20

Family

ID=24102882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB694767A Expired GB1162126A (en) 1966-02-16 1967-02-14 Process for making Adducts of Hexachlorocyclopentadiene and Tetrahydrophthalic Anhydride

Country Status (5)

Country Link
BE (1) BE694086A (en)
DE (1) DE1618262A1 (en)
FR (1) FR1511356A (en)
GB (1) GB1162126A (en)
NL (1) NL6701166A (en)

Also Published As

Publication number Publication date
DE1618262A1 (en) 1970-12-23
NL6701166A (en) 1967-08-17
BE694086A (en) 1967-08-16
FR1511356A (en) 1968-01-26

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees