The present invention relates to methods for preparing indazole compounds of formula I, which are useful as modulators and/or inhibitors of protein kinases.
The present invention also relates to intermediate compounds useful in the preparation of compounds of formula I.
The present invention is directed to a compound of Formula (I):
or a form thereof, wherein X
1
, X
2
, X
3
, X
4
, R
1
, R
2
and R
3
are as defined herein, useful as tryptase inhibitors.
Epothilone Compounds, Preparation Method and Use Thereof
申请人:Tang Li
公开号:US20120322838A1
公开(公告)日:2012-12-20
Epothilone compounds represented by formula (I), their preparation methods and their use for preparing medicines are disclosed. The epothilone compounds are prepared by bioconversion and chemosynthesis or chemical modifications using epothilones or their derivatives as starting materials. Said epothilone compounds can be sued to treat proliferative diseases.
USE OF SUPPORTED IONIC LIQUID PHASE (SILP) CATALYST SYSTEMS IN THE HYDROFORMYLATION OF OLEFIN-CONTAINING MIXTURES TO ALDEHYDE MIXTURES WITH A HIGH CONTENT OF ALDEHYDES UNBRANCHED IN THE 2 POSITION
申请人:Franke Robert
公开号:US20130289313A1
公开(公告)日:2013-10-31
The present invention provides a composition comprising: a) an inert porous support material, b) an ionic liquid, c) a metal selected from group 9 of the Periodic Table of the Elements, d) a phosphorus-containing organic ligand, e) at least one organic amine. The present invention further provides a process for hydroformylating olefin-containing hydrocarbon mixtures to aldehydes with addition of the inventive composition as a catalytically active composition, wherein: a) the water content of the olefin-containing hydrocarbon mixture is adjusted to not more than 20 ppm, b) the content of polyunsaturated compounds in the olefin-containing hydrocarbon mixture is adjusted to not more than 3000 ppm, c) a molar ratio of organic amines according to claims
10
-
13
to phosphorus-containing organic ligands according to claims
8
-
9
of at least 4:1 is established, d) a molar ratio of phosphorus-containing organic ligands according to claims
8
-
9
to rhodium of at least 10:1 is established.