A process of preparing olefins of the formula (I) is described herein:
with R
1
being a substituted or unsubstituted (C
1
-C
30
)hydrocarbyl, and R
2
being a substituted or unsubstituted (C
1
-C
20
)hydrocarbyl. The process includes reacting a compound of formula (II)
wherein Ar is chosen from
in the presence of a palladium-based catalyst and an organic solvent.
A process of preparing olefins of the formula (III) is also described:
with R
3
being a substituted or unsubstituted (C
1
-C
30
)hydrocarbyl, R
4
being a substituted or unsubstituted (C
1
-C
20
)hydrocarbyl, and R
5
being a substituted or unsubstituted (C
1
-C
30
) hydrocarbyl. The process includes reacting a compound of formula (IV)
wherein Ar is chosen from
with a compound of formula (V)
wherein Ar is chosen from
in the presence of a palladium-based catalyst and an organic solvent.
METHOD FOR SYNTHESIZING CYCLOHEXYL-SUBSTITUTED PHOSPHINES
申请人:Tishkov Alexander
公开号:US20100137643A1
公开(公告)日:2010-06-03
The present invention relates to a process for preparing cyclohexyl-substituted phosphines. The invention further relates to a process for preparing cyclohexyl-substituted phosphine oxides which can be used as intermediates in the preparation of cyclohexyl-substituted phosphines.
Reaction mixtures for silvlating arene substrates and methods of using such reaction mixtures to silyiate the arene substrates are provided. Exemplary reaction mixtures include the arene substrate, a liganded metal catalyst, a hydrogen acceptor and an organic solvent. The reaction conditions allow for diverse substituents on the arene substrate.
[EN] SUBSTITUTED (PYRIDYL)-AZINYLAMINE DERIVATIVES AS FUNGICIDES<br/>[FR] DÉRIVÉS DE PYRIDYL-AZINYLAMINE SUBSTITUÉS UTILISÉS COMME FONGICIDES
申请人:BAYER CROPSCIENCE SA
公开号:WO2010055077A1
公开(公告)日:2010-05-20
The present invention relates to phenyl-pyrimidinyl-amino derivatives of formula (I) wherein Q1 and p, Ra to Rc, L1, Y, L2 and Q2 represent various substituents, their process of preparation, preparation intermediate compounds, their use as fungicide active agents, particularly in the form of fungicide compositions, and methods for the control of phytopathogenic fungi, notably of plants, using these compounds or compositions.
PROCESS FOR PRODUCING PHENYL-SUBSTITUTED HETEROCYCLIC DERIVATIVE THROUGH COUPLING USING TRANSITION METAL CATALYST
申请人:Komiyama Masato
公开号:US20110313169A1
公开(公告)日:2011-12-22
A process for efficiently producing, through few steps either a xanthine oxidase inhibitor, which is a therapeutic agent for hyperuricemia, or an intermediate therefore. The process is a novel coupling process which comprises subjecting a compound represented by formula (1) to coupling reaction with a compound represented by formula (2) in the presence of a transition metal compound to thereby obtain a compound represented by formula (3).