CH622240A5 - Process for the preparation of 1,5- and/or 1,8-diaminonaphthalene - Google Patents

Process for the preparation of 1,5- and/or 1,8-diaminonaphthalene Download PDF

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Publication number
CH622240A5
CH622240A5 CH652776A CH652776A CH622240A5 CH 622240 A5 CH622240 A5 CH 622240A5 CH 652776 A CH652776 A CH 652776A CH 652776 A CH652776 A CH 652776A CH 622240 A5 CH622240 A5 CH 622240A5
Authority
CH
Switzerland
Prior art keywords
dinitronaphthalene
weight
water
mixture
aqueous
Prior art date
Application number
CH652776A
Other languages
German (de)
English (en)
Inventor
Heinz Ulrich Blank
Friedrich Duerholz
Guido Skipka
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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of CH622240A5 publication Critical patent/CH622240A5/de

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/16Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/06Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH652776A 1975-05-27 1976-05-24 Process for the preparation of 1,5- and/or 1,8-diaminonaphthalene CH622240A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752523351 DE2523351C2 (de) 1975-05-27 1975-05-27 Verfahren zur Herstellung von 1,5- und 1,8-Diaminonaphthalin

Publications (1)

Publication Number Publication Date
CH622240A5 true CH622240A5 (en) 1981-03-31

Family

ID=5947485

Family Applications (1)

Application Number Title Priority Date Filing Date
CH652776A CH622240A5 (en) 1975-05-27 1976-05-24 Process for the preparation of 1,5- and/or 1,8-diaminonaphthalene

Country Status (7)

Country Link
BE (1) BE842223A (enExample)
CH (1) CH622240A5 (enExample)
DE (1) DE2523351C2 (enExample)
FR (1) FR2312487A1 (enExample)
GB (1) GB1499699A (enExample)
IT (1) IT1061311B (enExample)
SE (1) SE7605928L (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1275934C (zh) 2000-12-22 2006-09-20 拜尔公司 1,5-萘二胺的制备方法和1,5-萘二异氰酸酯的制备方法
DE10209644A1 (de) 2002-03-05 2003-09-18 Bayer Ag Verfahren zur Herstellung eines Dinitronaphthalin-Isomerengemisches mit hohem Anteil an 1,5-Dinitronaphthalin
DE10224463A1 (de) 2002-06-03 2003-12-11 Bayer Ag Verfahren zur Herstellung von 5-Nitro-3,4-dihydro-1(2H)-naphthalinon, 1,5-Naphthalindiamin und 1,5-Naphthalindiisocyanat
CN1687011B (zh) * 2005-03-31 2010-05-05 聂天明 一种氨基萘的精制方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026944A (en) * 1974-08-10 1977-05-31 Bayer Aktiengesellschaft Process for manufacturing diaminonaphthalene

Also Published As

Publication number Publication date
GB1499699A (en) 1978-02-01
DE2523351C2 (de) 1982-12-02
BE842223A (fr) 1976-11-26
IT1061311B (it) 1983-02-28
SE7605928L (sv) 1976-11-28
FR2312487B1 (enExample) 1980-11-07
FR2312487A1 (fr) 1976-12-24
DE2523351A1 (de) 1976-12-09

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PL Patent ceased