Facile Synthesis of Quaternary α-Fluoronitriles by Cobalt-Catalyzed Hydrocyanation of Monofluoroalkenes
作者:Xi-Sheng Wang、Yanlin Li、Ru Cui、Tian-Rui Wu
DOI:10.1055/s-0040-1719841
日期:2022.4
An exclusively regioselective hydrocyanation of monofluoroalkenes has been developed, with which a series of aliphatic quaternary α-fluoronitriles were synthesized in a facile and efficient manner. This novel method is featured with mild conditions, good functional groups compatibilities, and high reactivity.
Catalytic Enantioselective Cyclopropanation of α-Fluoroacrylates: An Experimental and Theoretical Study
作者:Amandine Pons、Vincent Tognetti、Laurent Joubert、Thomas Poisson、Xavier Pannecoucke、André B. Charette、Philippe Jubault
DOI:10.1021/acscatal.9b00354
日期:2019.3.1
Herein, we report the catalytic asymmetric synthesis of functionalized fluorocyclopropanes from α-fluoroacrylates. The method using Rh2((S)-TCPTTL)4 allowed the difficult reaction of an in situ-generated electrophilic Rh-carbene with an electron-poor α-fluoroacrylate. The desired fluorocyclopropanes were obtained in good yields, excellent dr and ee. Finally, the mechanism of this transformation was
Catalytic Enantioselective Synthesis of Halocyclopropanes
作者:Amandine Pons、Pavel Ivashkin、Thomas Poisson、André B. Charette、Xavier Pannecoucke、Philippe Jubault
DOI:10.1002/chem.201600649
日期:2016.4.25
A catalytic asymmetric synthesis of halocyclopropanes is described. The developed method is based on a carbenoid cyclopropanation of 2‐haloalkenes with tert‐butyl α‐cyano‐α‐diazoacetate using a chiral rhodium catalyst that permits access to a broad range of highly functionalized chiral halocyclopropanes (F, Cl, Br, and I) in good yields, moderate diastereoselectivity, and excellent enantiomeric ratios
The present invention encompasses compounds of general formula (1) while the groups R
4
to R
7
and the units W, L, Q
a
and Q
H
are defined as in claim
1
, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, and their use as medicaments having the above-mentioned properties.
HETEROCYCLYL CARBONIC ACID AMIDES AS ANTIPROLIFERATIVE AGENTS, PDKL INHIBITORS
申请人:Engelhardt Harald
公开号:US20110313156A1
公开(公告)日:2011-12-22
The present invention encompasses compounds of general formula (1) wherein the units W, A, L, Q
a
and Q
H
are defined as in claim
1
, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, and their use as medicaments having the above-mentioned properties.