The invention provides a compound for use as an inhibitor of Hsp90, the compound having the formula (I): or salts, tautomers, solvates or N-oxides thereof; wherein: A is N or a group CR
3
; R
1
is a monocyclic or bicyclic carbocyclic or heterocyclic ring of 5 to 10 ring members of which up to two ring members may be heteroatoms selected from N, O and S and the remainder are carbon atoms, the carbocyclic or heterocyclic ring being optionally substituted by one or more substituent groups independently selected from R
10
; and R
2
, R
3
and R
10
are as defined in the claims.
Novel quinazolinamide derivatives of the formula (I), in which R
1
-R
3
have the meanings indicated in Claim
1,
are HSP90 inhibitors and can be used for the preparation of a medicament for the treatment of diseases in which the inhibition, regulation and/or modulation of HSP90 plays a role.
Photochemical benzylic bromination in continuous flow using BrCCl<sub>3</sub> and its application to telescoped <i>p</i>-methoxybenzyl protection
作者:Yuma Otake、Jason D. Williams、Juan A. Rincón、Oscar de Frutos、Carlos Mateos、C. Oliver Kappe
DOI:10.1039/c9ob00044e
日期:——
BrCCl3 represents a rarely used benzylic brominating reagent with complementary reactivity to other reagents. Its reactivity has been revisited in continuous flow, revealing compatibility with electron-rich aromatic substrates. This has brought about the development of a p-methoxybenzyl bromide generator for PMB protection, which was successfully demonstrated on a pharmaceutically relevant intermediate
PYRAZOLOQUINOLINONE DERIVATIVES, PREPARATION THEREOF AND THERAPEUTIC USE THEREOF
申请人:BENAZET ALEXANDRE
公开号:US20130079337A1
公开(公告)日:2013-03-28
The invention relates to compounds corresponding to formula (I)
in which R1, R2 and R3 are as defined in Claim
1
, and also to the process for preparing them and to their therapeutic use.
Highly efficient Amination in Neat Water of Benzyl Chlorides with Dialkylformamides Catalysed by <i>N</i>-Heterocyclic Carbene-Palladium(II)-1-Methylimidazole Complex
作者:Wen-Xin Chen、Cai-Yun Zhang、Jian-Mei Lu
DOI:10.3184/174751913x13787959859344
日期:2013.10
Dialkylformamides are excellent N-sources in the amination of benzylchlorides when catalysed by a NHC-Pd(II)-Im complex. In the presence of NaOH and the catalyst, variously substituted benzylchlorides and five different dialkylformamides reacted smoothly to afford the corresponding N,N-dialkyl-benzylamines in good to almost quantitative yields in eco-friendly solvent water at 50 °C within 3 h.