NL6800362A - - Google Patents

Info

Publication number
NL6800362A
NL6800362A NL6800362A NL6800362A NL6800362A NL 6800362 A NL6800362 A NL 6800362A NL 6800362 A NL6800362 A NL 6800362A NL 6800362 A NL6800362 A NL 6800362A NL 6800362 A NL6800362 A NL 6800362A
Authority
NL
Netherlands
Application number
NL6800362A
Other versions
NL162066C (nl
NL162066B (nl
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 filed Critical
Publication of NL6800362A publication Critical patent/NL6800362A/xx
Publication of NL162066B publication Critical patent/NL162066B/xx
Application granted granted Critical
Publication of NL162066C publication Critical patent/NL162066C/xx

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)
NL6800362A 1967-01-10 1968-01-10 Werkwijze ter bereiding van een aan de 7-positie via een stikstofatoom met een een keten van twee stikstofatomen bevattende groep gesubstitueerd tetracyclinederivaat. NL162066C (nl)

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
NL6800362A true NL6800362A (no) 1968-07-11
NL162066B NL162066B (nl) 1979-11-15
NL162066C NL162066C (nl) 1980-04-15

Family

ID=27085712

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6800362A NL162066C (nl) 1967-01-10 1968-01-10 Werkwijze ter bereiding van een aan de 7-positie via een stikstofatoom met een een keten van twee stikstofatomen bevattende groep gesubstitueerd tetracyclinederivaat.

Country Status (7)

Country Link
JP (1) JPS5215594B1 (no)
BE (1) BE709112A (no)
DE (1) DE1643767C3 (no)
ES (1) ES352203A1 (no)
FR (1) FR1550023A (no)
GB (1) GB1206439A (no)
NL (1) NL162066C (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE323671T1 (de) * 1999-09-14 2006-05-15 Tufts College Verfahren zur herstellung von substituierten tetracyclinen mit hilfe von auf übergangsmetalle basierten chemien

Also Published As

Publication number Publication date
FR1550023A (no) 1968-12-13
DE1643767C3 (de) 1981-01-08
NL162066C (nl) 1980-04-15
JPS5215594B1 (no) 1977-04-30
DE1643767B2 (de) 1980-04-17
DE1643767A1 (de) 1972-03-02
NL162066B (nl) 1979-11-15
BE709112A (no) 1968-07-09
GB1206439A (en) 1970-09-23
ES352203A1 (es) 1970-02-01

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Legal Events

Date Code Title Description
V4 Lapsed because of reaching the maxim lifetime of a patent