NL165461C - PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT AND PROCESS FOR THE PREPARATION OF A PYRAZOLOŸ3,4-BŸ PYRIDINE DERIVATIVE. - Google Patents

PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT AND PROCESS FOR THE PREPARATION OF A PYRAZOLOŸ3,4-BŸ PYRIDINE DERIVATIVE.

Info

Publication number
NL165461C
NL165461C NL7008768A NL7008768A NL165461C NL 165461 C NL165461 C NL 165461C NL 7008768 A NL7008768 A NL 7008768A NL 7008768 A NL7008768 A NL 7008768A NL 165461 C NL165461 C NL 165461C
Authority
NL
Netherlands
Prior art keywords
preparation
medicinal product
pyridine derivative
pyridine
derivative
Prior art date
Application number
NL7008768A
Other languages
Dutch (nl)
Other versions
NL7008768A (en
NL165461B (en
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 NL7008768A publication Critical patent/NL7008768A/xx
Publication of NL165461B publication Critical patent/NL165461B/en
Application granted granted Critical
Publication of NL165461C publication Critical patent/NL165461C/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
NL7008768A 1969-06-16 1970-06-16 PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT AND PROCESS FOR THE PREPARATION OF A PYRAZOLOŸ3,4-BŸ PYRIDINE DERIVATIVE. NL165461C (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7008768A NL7008768A (en) 1970-12-18
NL165461B NL165461B (en) 1980-11-17
NL165461C true NL165461C (en) 1981-04-15

Family

ID=25264992

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7008768A NL165461C (en) 1969-06-16 1970-06-16 PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT AND PROCESS FOR THE PREPARATION OF A PYRAZOLOŸ3,4-BŸ PYRIDINE DERIVATIVE.

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
CA2381802C (en) 1999-08-21 2010-12-07 Byk Gulden Lomberg Chemische Fabrik Gmbh Synergistic combination of roflumilast and salmeterol

Also Published As

Publication number Publication date
DK137241B (en) 1978-02-06
NL7008768A (en) 1970-12-18
CH525227A (en) 1972-07-15
JPS518957B1 (en) 1976-03-22
HU162876B (en) 1973-04-28
DE2028869A1 (en) 1970-12-23
IE34268B1 (en) 1975-03-19
DK137241C (en) 1978-07-10
CA924721A (en) 1973-04-17
NL165461B (en) 1980-11-17
IE34268L (en) 1970-12-16
GB1317797A (en) 1973-05-23

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee