Synthesis of specifically nitrogen-15- and carbon-13-labeled antitumor (2-haloethyl)nitrosoureas. The study of their conformations in solution by nitrogen-15 and carbon-13 nuclear magnetic resonance electronic control in their aqueous decomposition
[EN] COVALENT RAS INHIBITORS AND USES THEREOF<br/>[FR] INHIBITEURS DE RAS COVALENTS ET LEURS UTILISATIONS
申请人:REVOLUTION MEDICINES INC
公开号:WO2021108683A1
公开(公告)日:2021-06-03
The disclosure features compounds, or pharmaceutically acceptable salts thereof, alone and in combination with other therapeutic agents, pharmaceutical compositions, and protein conjugates thereof, capable of modulating biological processes including Ras, and their uses in the treatment of cancers.
The Synthesis of Antineoplastic Agents. XXXII. N-Nitrosoureas.<sup>1</sup> I.
作者:Thomas P. Johnston、George S. McCaleb、John A. Montgomery
DOI:10.1021/jm00342a010
日期:1963.11
LOWN, J. W.;CHAUHAN, S. M, S., J. ORG. CHEM., 1981, 46, N 26, 5309-5321
作者:LOWN, J. W.、CHAUHAN, S. M, S.
DOI:——
日期:——
A new class of nitrosoureas. I. Synthesis and antitumor activity of 1-(2-chloroethyl)-3,3-disubstituted-1-nitrosoureas having a hydroxyl group at the .BETA.-position of the substituents.
1-(2-Chloroethyl)-3, 3-disubstituted-1-nitrosoureas (5a-m), a new class of nitrosoureas, were synthesized and tested for antitumor activities against leukemia L1210 and Ehrlich ascites carcinoma. The nitrosoureas (5e-k) having a hydroxyl group at the β-position of the substituents showed remarkable antitumor activities. In particular, 1-(2-chloroethyl)-3, 3-bis (2-hydroxyethyl)-1-nitrosourea (5k) had excellent activities and showed 5 and 16 times greater therapeutic ratios than 1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea against leukemia L1210 and Ehrlich ascites carcinoma, respectively. These nitrosoureas (5e-k) appear to be activated nonenzymatically by attack of the hydroxyl group on the carbonyl group to give the oxazolidinones (6) and chloroethyl diazohydroxide (7) without generation of the isocyanates (8).
Synthesis of specifically nitrogen-15- and carbon-13-labeled antitumor (2-haloethyl)nitrosoureas. The study of their conformations in solution by nitrogen-15 and carbon-13 nuclear magnetic resonance electronic control in their aqueous decomposition