CH525227A - Process for the preparation of hydrazines or hydrazides and use of the hydrazines obtained - Google Patents

Process for the preparation of hydrazines or hydrazides and use of the hydrazines obtained

Info

Publication number
CH525227A
CH525227A CH913470A CH913470A CH525227A CH 525227 A CH525227 A CH 525227A CH 913470 A CH913470 A CH 913470A CH 913470 A CH913470 A CH 913470A CH 525227 A CH525227 A CH 525227A
Authority
CH
Switzerland
Prior art keywords
hydrazines
hydrazides
preparation
hydrazines obtained
Prior art date
Application number
CH913470A
Other languages
French (fr)
Inventor
Hoehn Hans
Chasin Mark
Original Assignee
Squibb & Sons Inc
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 Squibb & Sons Inc filed Critical Squibb & Sons Inc
Publication of CH525227A publication Critical patent/CH525227A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/38—Nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH913470A 1969-06-16 1970-06-16 Process for the preparation of hydrazines or hydrazides and use of the hydrazines obtained CH525227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83367269A 1969-06-16 1969-06-16

Publications (1)

Publication Number Publication Date
CH525227A true CH525227A (en) 1972-07-15

Family

ID=25264992

Family Applications (1)

Application Number Title Priority Date Filing Date
CH913470A CH525227A (en) 1969-06-16 1970-06-16 Process for the preparation of hydrazines or hydrazides and use of the hydrazines obtained

Country Status (9)

Country Link
JP (1) JPS518957B1 (en)
CA (1) CA924721A (en)
CH (1) CH525227A (en)
DE (1) DE2028869A1 (en)
DK (1) DK137241B (en)
GB (1) GB1317797A (en)
HU (1) HU162876B (en)
IE (1) IE34268B1 (en)
NL (1) NL165461C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669950A (en) * 1970-12-01 1972-06-13 Squibb & Sons Inc DIPYRAZOLO{8 3,4-b:3,4d{9 -PYRIDIN-3-ONES
SI1212089T1 (en) 1999-08-21 2006-08-31 Altana Pharma Ag Synergistic combination of roflumilast and salmeterol

Also Published As

Publication number Publication date
NL165461B (en) 1980-11-17
HU162876B (en) 1973-04-28
NL165461C (en) 1981-04-15
DE2028869A1 (en) 1970-12-23
DK137241C (en) 1978-07-10
GB1317797A (en) 1973-05-23
IE34268B1 (en) 1975-03-19
NL7008768A (en) 1970-12-18
IE34268L (en) 1970-12-16
DK137241B (en) 1978-02-06
JPS518957B1 (en) 1976-03-22
CA924721A (en) 1973-04-17

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Legal Events

Date Code Title Description
PL Patent ceased