CH580599A5 - 3,4-Dihydro-1(2H)-phthalazinones prepn. - by reducing 3,4-unsaturated cpds with nascent hydrogen - Google Patents

3,4-Dihydro-1(2H)-phthalazinones prepn. - by reducing 3,4-unsaturated cpds with nascent hydrogen

Info

Publication number
CH580599A5
CH580599A5 CH569574A CH569574A CH580599A5 CH 580599 A5 CH580599 A5 CH 580599A5 CH 569574 A CH569574 A CH 569574A CH 569574 A CH569574 A CH 569574A CH 580599 A5 CH580599 A5 CH 580599A5
Authority
CH
Switzerland
Prior art keywords
water
temperature
lower alkyl
acid
concentration
Prior art date
Application number
CH569574A
Other languages
English (en)
French (fr)
Original Assignee
Lepetit 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 Lepetit Spa filed Critical Lepetit Spa
Publication of CH580599A5 publication Critical patent/CH580599A5/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
    • C07D237/26—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings condensed with carbocyclic rings or ring systems
    • C07D237/30—Phthalazines
    • C07D237/32—Phthalazines with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Furan Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
CH569574A 1973-04-27 1974-04-25 3,4-Dihydro-1(2H)-phthalazinones prepn. - by reducing 3,4-unsaturated cpds with nascent hydrogen CH580599A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2020173 1973-04-27

Publications (1)

Publication Number Publication Date
CH580599A5 true CH580599A5 (en) 1976-10-15

Family

ID=10142109

Family Applications (1)

Application Number Title Priority Date Filing Date
CH569574A CH580599A5 (en) 1973-04-27 1974-04-25 3,4-Dihydro-1(2H)-phthalazinones prepn. - by reducing 3,4-unsaturated cpds with nascent hydrogen

Country Status (7)

Country Link
JP (1) JPS5013380A (cs)
CH (1) CH580599A5 (cs)
CS (1) CS178916B2 (cs)
DD (1) DD110872A5 (cs)
HU (1) HU167477B (cs)
PL (1) PL97325B1 (cs)
SU (1) SU518128A3 (cs)

Also Published As

Publication number Publication date
PL97325B1 (pl) 1978-02-28
JPS5013380A (cs) 1975-02-12
DD110872A5 (cs) 1975-01-12
CS178916B2 (en) 1977-10-31
HU167477B (cs) 1975-10-28
SU518128A3 (ru) 1976-06-15

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Legal Events

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