NL177596B - PROCESS FOR PREPARING 11A-CHLORO-5-OXYTETRACYCLINE-6,12 HEMICETAL IN THE FORM OF AN ACID ADDITION SALT. - Google Patents

PROCESS FOR PREPARING 11A-CHLORO-5-OXYTETRACYCLINE-6,12 HEMICETAL IN THE FORM OF AN ACID ADDITION SALT.

Info

Publication number
NL177596B
NL177596B NLAANVRAGE7409249,A NL7409249A NL177596B NL 177596 B NL177596 B NL 177596B NL 7409249 A NL7409249 A NL 7409249A NL 177596 B NL177596 B NL 177596B
Authority
NL
Netherlands
Prior art keywords
hemicetal
oxytetracycline
chloro
preparing
acid addition
Prior art date
Application number
NLAANVRAGE7409249,A
Other languages
Dutch (nl)
Other versions
NL177596C (en
NL7409249A (en
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of NL7409249A publication Critical patent/NL7409249A/en
Publication of NL177596B publication Critical patent/NL177596B/en
Application granted granted Critical
Publication of NL177596C publication Critical patent/NL177596C/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C237/00Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
    • C07C237/24Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring of the carbon skeleton
    • C07C237/26Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring of the carbon skeleton of a ring being part of a condensed ring system formed by at least four rings, e.g. tetracycline
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00Systems containing at least three condensed rings
    • C07C2603/02Ortho- or ortho- and peri-condensed systems
    • C07C2603/40Ortho- or ortho- and peri-condensed systems containing four condensed rings
    • C07C2603/42Ortho- or ortho- and peri-condensed systems containing four condensed rings containing only six-membered rings
    • C07C2603/44Naphthacenes; Hydrogenated naphthacenes
    • C07C2603/461,4,4a,5,5a,6,11,12a- Octahydronaphthacenes, e.g. tetracyclines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
NLAANVRAGE7409249,A 1973-08-02 1974-07-09 PROCESS FOR PREPARING 11A-CHLORO-5-OXYTETRACYCLINE-6,12 HEMICETAL IN THE FORM OF AN ACID ADDITION SALT. NL177596C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38496973A 1973-08-02 1973-08-02

Publications (3)

Publication Number Publication Date
NL7409249A NL7409249A (en) 1975-02-04
NL177596B true NL177596B (en) 1985-05-17
NL177596C NL177596C (en) 1985-10-16

Family

ID=23519498

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7409249,A NL177596C (en) 1973-08-02 1974-07-09 PROCESS FOR PREPARING 11A-CHLORO-5-OXYTETRACYCLINE-6,12 HEMICETAL IN THE FORM OF AN ACID ADDITION SALT.

Country Status (28)

Country Link
JP (1) JPS5835982B2 (en)
AR (1) AR199626A1 (en)
AT (1) AT333426B (en)
AU (1) AU476600B2 (en)
BE (1) BE817406A (en)
CA (1) CA1008068A (en)
CH (1) CH582650A5 (en)
CS (1) CS183754B2 (en)
DD (1) DD113527A5 (en)
DE (1) DE2433608C2 (en)
DK (1) DK153400C (en)
ES (1) ES428365A1 (en)
FI (1) FI59394C (en)
FR (1) FR2239450B1 (en)
GB (1) GB1465542A (en)
HK (1) HK28479A (en)
HU (1) HU170051B (en)
IE (1) IE39803B1 (en)
IL (1) IL45119A (en)
KE (1) KE2934A (en)
LU (1) LU70504A1 (en)
MY (1) MY7900241A (en)
NL (1) NL177596C (en)
PH (1) PH10821A (en)
PL (1) PL94201B1 (en)
SE (1) SE416727B (en)
YU (1) YU39463B (en)
ZA (1) ZA744126B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984686A (en) * 1960-12-19 1961-05-16 Pfizer & Co C 6-deoxy-6-demethyl-6-methylene-5-oxytetracyclines

Also Published As

Publication number Publication date
IE39803L (en) 1975-02-02
SE416727B (en) 1981-02-02
FI59394B (en) 1981-04-30
JPS5835982B2 (en) 1983-08-05
AR199626A1 (en) 1974-09-13
FI207274A (en) 1975-02-03
PH10821A (en) 1977-09-08
DD113527A5 (en) 1975-06-12
NL177596C (en) 1985-10-16
DK153400C (en) 1988-11-28
YU39463B (en) 1984-12-31
DE2433608A1 (en) 1975-02-20
FR2239450B1 (en) 1977-10-07
DK370074A (en) 1975-04-01
GB1465542A (en) 1977-02-23
AU7088574A (en) 1976-01-08
IL45119A (en) 1977-05-31
ES428365A1 (en) 1976-07-16
MY7900241A (en) 1979-12-31
DK153400B (en) 1988-07-11
ATA579274A (en) 1976-03-15
NL7409249A (en) 1975-02-04
AT333426B (en) 1976-11-25
BE817406A (en) 1975-01-09
HU170051B (en) 1977-03-28
FI59394C (en) 1981-08-10
CS183754B2 (en) 1978-07-31
SE7408295L (en) 1975-02-03
FR2239450A1 (en) 1975-02-28
CH582650A5 (en) 1976-12-15
PL94201B1 (en) 1977-07-30
IL45119A0 (en) 1974-09-10
IE39803B1 (en) 1979-01-03
HK28479A (en) 1979-05-11
JPS5041848A (en) 1975-04-16
ZA744126B (en) 1975-07-30
YU178874A (en) 1982-05-31
CA1008068A (en) 1977-04-05
AU476600B2 (en) 1976-09-30
KE2934A (en) 1979-03-30
LU70504A1 (en) 1975-03-27
DE2433608C2 (en) 1983-03-17

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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
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee