The disclosure features macrocyclic compounds, and pharmaceutical compositions and protein complexes thereof, capable of inhibiting Ras proteins, and their uses in the treatment of cancers.
[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.
Synthesis of Enantiomerically Pure <i>N</i>-<i>tert</i>-Butanesulfinyl Imines (<i>tert</i>-Butanesulfinimines) by the Direct Condensation of <i>tert</i>-Butanesulfinamide with Aldehydes and Ketones
作者:Guangcheng Liu、Derek A. Cogan、Timothy D. Owens、Tony P. Tang、Jonathan A. Ellman
DOI:10.1021/jo982059i
日期:1999.2.1
Experimental details for the first general methods for the one-step preparation of N-tert-butanesulfinyl imines (tert-butanesulfinimines) (2) from aldehydes and ketones is described. To effect the condensations of tert-butanesulfinamide (1) with aldehydes, the Lewis acidic dehydrating agents MgSO4, CuSO4, or Ti(OEt)(4) are employed. Aldehyde condensations mediated by MgSO4 proceed in high yields (84-96%) when an excess of aldehyde is used. In contrast, only a slight excess of aldehyde (1.1 equiv) relative to tert-butanesulfinamide provides sulfinimines in high yields when the more Lewis acidic dehydrating agent CuSO4 is used. The CuSO4-mediated procedure is effective for a wide range of aldehydes, including sterically demanding aldehydes, such as isobutyraldehyde (90%), and electron-rich aldehydes, such as p-anisaldehyde (81%). The still more Lewis acidic Ti(OEt)(4) and Ti(O-i-Pr)(4) also afford N-tert-butanesulfinyl aldimines from especially unreactive aldehydes, such as pivaldehyde (82%). In addition, Ti(OEt)(4) is effective for the condensation of I with ketones to afford a wide range of N-tert-butanesulfinyl ketimines in good yields (77-91%). For sulfinyl ketimines derived from methyl or n-alkyl phenyl ketones and methyl or n-alkyl isopropyl ketones, only the E isomer is detected by H-1 and C-13 NMR in CDCl3. For those cases where the difference in steric demand about the imine is very small, such as for 2-hexanone, high E/Z ratios are still observed (5:1).
Asymmetric Synthesis of Protected Arylglycines by Rhodium-Catalyzed Addition of Arylboronic Acids to <i>N</i>-<i>tert</i>-Butanesulfinyl Imino Esters
作者:Melissa A. Beenen、Daniel J. Weix、Jonathan A. Ellman
DOI:10.1021/ja060529h
日期:2006.5.1
the Rh(I)-catalyzed addition of arylboronic acids to N-tert-butanesulfinyl iminoesters has been developed for the asymmetric synthesis of arylglycine derivatives. This method provides high yields (61-90%) and diastereoselectivities (>98:2) for a variety of functionalized arylboronic acids. The N-sulfinyl arylglycine ester products are versatile intermediates for further transformations, including