HK28479A - Improved process for 11alpha-clorination of oxytetracycline - Google Patents

Improved process for 11alpha-clorination of oxytetracycline

Info

Publication number
HK28479A
HK28479A HK284/79A HK28479A HK28479A HK 28479 A HK28479 A HK 28479A HK 284/79 A HK284/79 A HK 284/79A HK 28479 A HK28479 A HK 28479A HK 28479 A HK28479 A HK 28479A
Authority
HK
Hong Kong
Prior art keywords
clorination
11alpha
oxytetracycline
improved process
improved
Prior art date
Application number
HK284/79A
Other languages
English (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 HK28479A publication Critical patent/HK28479A/xx

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)
HK284/79A 1973-08-02 1979-05-03 Improved process for 11alpha-clorination of oxytetracycline HK28479A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK28479A true HK28479A (en) 1979-05-11

Family

ID=23519498

Family Applications (1)

Application Number Title Priority Date Filing Date
HK284/79A HK28479A (en) 1973-08-02 1979-05-03 Improved process for 11alpha-clorination of oxytetracycline

Country Status (28)

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

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
ATA579274A (de) 1976-03-15
DD113527A5 (xx) 1975-06-12
DE2433608C2 (de) 1983-03-17
PH10821A (en) 1977-09-08
DK370074A (xx) 1975-04-01
FI59394C (fi) 1981-08-10
YU39463B (en) 1984-12-31
ZA744126B (en) 1975-07-30
DK153400C (da) 1988-11-28
IE39803B1 (en) 1979-01-03
IE39803L (en) 1975-02-02
IL45119A (en) 1977-05-31
AU7088574A (en) 1976-01-08
CH582650A5 (xx) 1976-12-15
SE7408295L (sv) 1975-02-03
AU476600B2 (en) 1976-09-30
FR2239450A1 (xx) 1975-02-28
NL7409249A (nl) 1975-02-04
YU178874A (en) 1982-05-31
AT333426B (de) 1976-11-25
KE2934A (en) 1979-03-30
PL94201B1 (xx) 1977-07-30
CA1008068A (en) 1977-04-05
SE416727B (sv) 1981-02-02
FI207274A (xx) 1975-02-03
BE817406A (fr) 1975-01-09
FI59394B (fi) 1981-04-30
MY7900241A (en) 1979-12-31
FR2239450B1 (xx) 1977-10-07
JPS5835982B2 (ja) 1983-08-05
IL45119A0 (en) 1974-09-10
ES428365A1 (es) 1976-07-16
JPS5041848A (xx) 1975-04-16
AR199626A1 (es) 1974-09-13
GB1465542A (en) 1977-02-23
NL177596B (nl) 1985-05-17
HU170051B (xx) 1977-03-28
DE2433608A1 (de) 1975-02-20
NL177596C (nl) 1985-10-16
LU70504A1 (xx) 1975-03-27
CS183754B2 (en) 1978-07-31
DK153400B (da) 1988-07-11

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