SU439961A3 - Способ получения ангидридов кислот и формальдегида - Google Patents

Способ получения ангидридов кислот и формальдегида

Info

Publication number
SU439961A3
SU439961A3 SU1171795A SU1171795A SU439961A3 SU 439961 A3 SU439961 A3 SU 439961A3 SU 1171795 A SU1171795 A SU 1171795A SU 1171795 A SU1171795 A SU 1171795A SU 439961 A3 SU439961 A3 SU 439961A3
Authority
SU
USSR - Soviet Union
Prior art keywords
formaldehyde
acid anhydrides
producing acid
producing
anhydrides
Prior art date
Application number
SU1171795A
Other languages
English (en)
Other versions
SU439961A1 (ru
Inventor
Шиничи Исида
Кунио Сато
Тосиаки Ямазаки
Нобору Осима
Original Assignee
Асахи Касеи Когио Кабусики Кайша (Фирма)
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 Асахи Касеи Когио Кабусики Кайша (Фирма) filed Critical Асахи Касеи Когио Кабусики Кайша (Фирма)
Application granted granted Critical
Publication of SU439961A3 publication Critical patent/SU439961A3/ru
Publication of SU439961A1 publication Critical patent/SU439961A1/ru

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/54Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/56Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
SU1171795A 1967-07-11 Способ получени ангидридов кислот и формальдегида SU439961A1 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4732666 1966-07-21

Publications (2)

Publication Number Publication Date
SU439961A3 true SU439961A3 (ru) 1974-08-15
SU439961A1 SU439961A1 (ru) 1974-08-15

Family

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Also Published As

Publication number Publication date
DE1643578B1 (de) 1972-12-07
US3590081A (en) 1971-06-29
DE1643578C2 (de) 1973-07-28

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