Selective Reductive Elimination at Alkyl Palladium(IV) by Dissociative Ligand Ionization: Catalytic C(sp<sup>3</sup>
)−H Amination to Azetidines
作者:Manuel Nappi、Chuan He、William G. Whitehurst、Ben G. N. Chappell、Matthew J. Gaunt
DOI:10.1002/anie.201800519
日期:2018.3.12
A palladium(II)‐catalyzed γ‐C−H amination of cyclic alkyl amines to deliver highly substituted azetidines is reported. The use of a benziodoxole tosylate oxidant in combination with AgOAc was found to be crucial for controlling a selective reductive elimination pathway to the azetidines. The process is tolerant of a range of functional groups, including structural features derived from chiral α‐amino
The present invention relates to compounds of formula (I) or pharmaceutical acceptable salts,
wherein X, Y, Z, R
3
and R
4
are defined in the description. The present invention relates also to compositions containing said compounds which are useful for inhibiting kinases such as wee-1 and methods of treating diseases such as cancer.
[EN] ANTAGONISTS FOR ALPHA-2 ADRENOCEPTORS<br/>[FR] ANTAGONISTES POUR RECEPTEURS ALPHA-2 ADRENERGIQUES
申请人:JUVANTIA PHARMA LTD OY
公开号:WO2004067513A1
公开(公告)日:2004-08-12
The invention provides a compound of formula (I), wherein Q, Y, A, Ra, Rb, R1 to R4, u and t are as defined in claim 1, or a pharmaceutically acceptable salt or ester thereof, useful as an alpha-2 antagonist. The compounds of formula (I) can be used for the treatment of diseases or conditions where antagonists of alpha-2 adrenoceptors are indicated to be effective.