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Title:
O▲上6▼-置換グアニン誘導体、それらの製造方法および腫瘍細胞の処置におけるそれらの使用
Document Type and Number:
Japanese Patent JP4054057
Kind Code:
B2
Abstract:
O &cir& _<6>-hetarylalkyl- or naphthylalkylguanine derivatives of formula (I) wherein Y is H, ribosyl, deoxyribosyl, or R"XCHR"', wherein X is O or S, R'' and R''' are alkyl, or substituted derivatives thereof; R' is H, or alkyl or hydroxyalkyl; R is (i) a cyclic group having at least one 5- or 6-membered heterocyclic ring, optionally with a carbocyclic or heterocyclic ring fused thereto, the or each heterocyclic ring having at least one hereto atom chosen from O, N or S, or a substituted derivative thereof; or (ii) naphthyl or a substituted derivative thereof; and pharmaceutically acceptable salts thereof, exhibit the ability to deplete O &cir& _<6>-alkylguanine-DNA alkyltransferase (ATase) activity. A process for preparation of the compounds is described. The compounds have utility in combination with alkylating agents in the chemotherapeutic treatment of tumour cells.

Inventors:
McMurray, Thomas Bryan Hamilton
McElney, Robert Stanley
McCormick, Joan Elizabeth
Elder, Rhoderick Hugh
Kelly, Jane
Marfson, Jeffrey Paul
Lafferty, Joseph Anthony
Amanda Jean, Watson
Willington, Mark Andrew
Application Number:
JP50154395A
Publication Date:
February 27, 2008
Filing Date:
June 08, 1994
Export Citation:
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Assignee:
CANCER RESEARCH TECHNOLOGY LIMITED
International Classes:
C07D473/18; A61K31/52; C07D487/04; A61K31/522; A61K31/708; A61K31/76; A61P35/00; A61P43/00; C07H19/16; C07H19/167; C07H19/173
Foreign References:
US5091430
Attorney, Agent or Firm:
Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Tadahiko Kurita
Yasushi Kobayashi
Hiroyuki Tomita