NL194126C - Werkwijze voor de bereiding van een carbazoolderivaat. - Google Patents

Werkwijze voor de bereiding van een carbazoolderivaat. Download PDF

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Publication number
NL194126C
NL194126C NL8001251A NL8001251A NL194126C NL 194126 C NL194126 C NL 194126C NL 8001251 A NL8001251 A NL 8001251A NL 8001251 A NL8001251 A NL 8001251A NL 194126 C NL194126 C NL 194126C
Authority
NL
Netherlands
Prior art keywords
mixture
methyl
dried
washed
filtered
Prior art date
Application number
NL8001251A
Other languages
English (en)
Dutch (nl)
Other versions
NL194126B (nl
NL8001251A (nl
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of NL8001251A publication Critical patent/NL8001251A/nl
Publication of NL194126B publication Critical patent/NL194126B/xx
Application granted granted Critical
Publication of NL194126C publication Critical patent/NL194126C/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56—Ring systems containing three or more rings
    • C07D209/80—[b, c]- or [b, d]-condensed
    • C07D209/82—Carbazoles; Hydrogenated carbazoles
    • C07D209/88—Carbazoles; Hydrogenated carbazoles 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 carbon atoms of the ring system
NL8001251A 1979-03-02 1980-02-29 Werkwijze voor de bereiding van een carbazoolderivaat. NL194126C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH210479 1979-03-02
CH210479A CH637117A5 (de) 1979-03-02 1979-03-02 Verfahren zur herstellung eines carbazolderivates.

Publications (3)

Publication Number Publication Date
NL8001251A NL8001251A (nl) 1980-09-04
NL194126B NL194126B (nl) 2001-03-01
NL194126C true NL194126C (nl) 2001-07-03

Family

ID=4225963

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8001251A NL194126C (nl) 1979-03-02 1980-02-29 Werkwijze voor de bereiding van een carbazoolderivaat.

Country Status (16)

Country Link
US (1) US4264500A (de)
JP (1) JPS603383B2 (de)
KR (1) KR840000115B1 (de)
AT (1) AT374180B (de)
CA (1) CA1128952A (de)
CH (1) CH637117A5 (de)
DK (1) DK145741C (de)
ES (1) ES489119A0 (de)
GR (1) GR67216B (de)
HU (1) HU178840B (de)
LU (1) LU82205A1 (de)
NL (1) NL194126C (de)
NO (1) NO153134C (de)
PT (1) PT70888B (de)
SE (1) SE431870B (de)
YU (1) YU18580A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0321147U (de) * 1989-07-06 1991-03-01
US6013808A (en) * 1998-06-16 2000-01-11 Pfizer Inc. Method of purifying carbazole ester precursors of 6-chloro-α-methyl-carbazole-2-acetic acid
US6268526B1 (en) 1998-12-16 2001-07-31 Albemarle Corporation Palladium catalyzed carbonylation process utilizing aromatic substituted alcohols and/or aromatic substituted alkyl halides
US9611217B2 (en) 2015-05-06 2017-04-04 Chemwerth, Inc. Synthetic processes of carprofen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896145A (en) * 1972-07-24 1975-07-22 Hoffmann La Roche Carbazoles
US4158007A (en) * 1978-08-21 1979-06-12 Hoffmann-La Roche Inc. Carbazole methyl malonates

Also Published As

Publication number Publication date
PT70888B (en) 1981-06-11
PT70888A (en) 1980-03-01
NO800458L (no) 1980-09-03
NO153134B (no) 1985-10-14
DK145741C (da) 1983-08-01
SE431870B (sv) 1984-03-05
KR830001890A (ko) 1983-05-19
NL194126B (nl) 2001-03-01
AT374180B (de) 1984-03-26
HU178840B (en) 1982-07-28
SE8001617L (sv) 1980-09-03
CH637117A5 (de) 1983-07-15
KR840000115B1 (ko) 1984-02-16
JPS603383B2 (ja) 1985-01-28
DK145741B (da) 1983-02-14
JPS55118461A (en) 1980-09-11
ATA113880A (de) 1983-08-15
ES8103733A1 (es) 1981-03-16
CA1128952A (en) 1982-08-03
ES489119A0 (es) 1981-03-16
GR67216B (de) 1981-06-24
LU82205A1 (de) 1981-09-10
NO153134C (no) 1986-01-22
US4264500A (en) 1981-04-28
YU18580A (en) 1983-04-30
NL8001251A (nl) 1980-09-04
DK89280A (da) 1980-09-03

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: HOFFMANN-LA ROCHE AG. F. -

V4 Discontinued because of reaching the maximum lifetime of a patent

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