DE1643767C3 - Verfahren zur Herstellung von in 7-Stellung substituierten Tetracyclinen und Zwischenprodukte hierfür - Google Patents

Verfahren zur Herstellung von in 7-Stellung substituierten Tetracyclinen und Zwischenprodukte hierfür

Info

Publication number
DE1643767C3
DE1643767C3 DE1968A0057905 DEA0057905A DE1643767C3 DE 1643767 C3 DE1643767 C3 DE 1643767C3 DE 1968A0057905 DE1968A0057905 DE 1968A0057905 DE A0057905 A DEA0057905 A DE A0057905A DE 1643767 C3 DE1643767 C3 DE 1643767C3
Authority
DE
Germany
Prior art keywords
conh
group
hydrogen
solution
hydrazino
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE1968A0057905
Other languages
German (de)
English (en)
Other versions
DE1643767B2 (de
DE1643767A1 (de
Inventor
Ronald Theodore Paterson N.J. Zambrano (V.St.A.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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
Priority claimed from US608264A external-priority patent/US3403179A/en
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of DE1643767A1 publication Critical patent/DE1643767A1/de
Publication of DE1643767B2 publication Critical patent/DE1643767B2/de
Application granted granted Critical
Publication of DE1643767C3 publication Critical patent/DE1643767C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/18—Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE1968A0057905 1967-01-10 1968-01-10 Verfahren zur Herstellung von in 7-Stellung substituierten Tetracyclinen und Zwischenprodukte hierfür Expired DE1643767C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US608264A US3403179A (en) 1967-01-10 1967-01-10 Novel 7-(1, 2-bis-substituted-hydrazino)-tetracyclines and methods of preparing same
US62029467A 1967-03-03 1967-03-03

Publications (3)

Publication Number Publication Date
DE1643767A1 DE1643767A1 (de) 1972-03-02
DE1643767B2 DE1643767B2 (de) 1980-04-17
DE1643767C3 true DE1643767C3 (de) 1981-01-08

Family

ID=27085712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1968A0057905 Expired DE1643767C3 (de) 1967-01-10 1968-01-10 Verfahren zur Herstellung von in 7-Stellung substituierten Tetracyclinen und Zwischenprodukte hierfür

Country Status (7)

Country Link
JP (1) JPS5215594B1 (US08063081-20111122-C00044.png)
BE (1) BE709112A (US08063081-20111122-C00044.png)
DE (1) DE1643767C3 (US08063081-20111122-C00044.png)
ES (1) ES352203A1 (US08063081-20111122-C00044.png)
FR (1) FR1550023A (US08063081-20111122-C00044.png)
GB (1) GB1206439A (US08063081-20111122-C00044.png)
NL (1) NL162066C (US08063081-20111122-C00044.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA02002595A (es) * 1999-09-14 2003-07-21 Tufts College Metodo para preparar tetraciclinas sustituidas con quimicas a base de metal de transicion.

Also Published As

Publication number Publication date
DE1643767B2 (de) 1980-04-17
GB1206439A (en) 1970-09-23
FR1550023A (US08063081-20111122-C00044.png) 1968-12-13
JPS5215594B1 (US08063081-20111122-C00044.png) 1977-04-30
BE709112A (US08063081-20111122-C00044.png) 1968-07-09
NL6800362A (US08063081-20111122-C00044.png) 1968-07-11
DE1643767A1 (de) 1972-03-02
ES352203A1 (es) 1970-02-01
NL162066B (nl) 1979-11-15
NL162066C (nl) 1980-04-15

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)