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US4169846A Expired / Lapsed US ⏱️ 0.0 years remaining

Cis-platinum (ii) complex of trans-l-1,2-diaminocyclohexane

Assignee: Individual
•
Filing: 1978-07-13
•
Granted: 1979-10-02
•
Expires: 1998-07-13
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Abstract

Abstract Cis-platinum (II) complexes of 1,2-diaminocyclohexanes, more particularly, cis-platinum (II) complexes represented by the general formula ##STR1## wherein the stereoisomerism of 1,2-diaminocyclohexane is cis-, trans-d- or trans-l-; and R 1 and R 2 , which are same, each represent a halogen atom, or R 1 and R 2 , when taken together, represent a group represented by the formula ##STR2## wherein R 3 represents a >CH 2 group, a >CHCH 3 or >CHCH 2 CH 3 group are disclosed. Further complexes of uracil and cis-[platinum(II)-cis-, trans-d or trans-l- 1,2-diaminocyclohexane] are disclosed. These complexes have anti-tumor activity in mice. Cis-platinum (II) complex of cis-1,2-diaminocyclohexane is most effective.

Inventors

  • 👤 Yoshinori Kidani
  • 👤 Kenji Inagaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:22
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/0006; C07F15/0086; C07F15/0093; A; A61; A61P; A61P35/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 2 words
Cis-oxalato(trans-l-1,2-diaminocyclohexone)platinum (II).
Claim 2
Dependent Claim 2 words
Cis-oxalato(trans-l-1,2-diaminocyclohexone)platinum (II).

References Cited (Backward Citations)

US3892790A Cited
US3904663A Cited
US4140707A Cited
US4140707B1 Cited
US4115418A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-10-01 1983-04-02 1983-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-10-01 1987-04-02 1987-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-10-01 1991-04-02 1991-10-02 $7700.00 Window Closed / Lapsed

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