SEQUENTIAL [2,3]WITTIG AND CLAISEN REARRANGEMENT: A FACILE SYNTHETIC METHOD FOR (E,E)-4,7-ALKADIENALS AND -ALKADIENOIC ACIDS. A NEW FORMAL SYNTHESIS OF (±)-CERULENIN
Process for the carbonylation of butadiene and/or butadiene derivative
申请人:DSM N.V.
公开号:EP1085004A1
公开(公告)日:2001-03-21
Process for the carbonylation of butadiene and/or at least one butadiene derivative in the presence of carbon monoxide, an alcohol and/or water, a rhodium-containing catalyst and an iodide containing promotor, wherein the carbonylation and/or carbonylation product recovery is performed in the presence of at least one stabilizer compound selected from a compound of an element of any of the groups 1-2 of the Periodic Table, a first row transition metal compound of any of the groups 3-12 of the Periodic Table, a compound of an element of group 13 of the Periodic Table, a compound of an element of group 15 of the Periodic Table, a rhenium compound, an iridium compound, a platinum compound and a cerium compound.
Process for the carbonylation of butadiene and/or at least one butadiene derivative
申请人:DSM N.V.
公开号:EP1118607A1
公开(公告)日:2001-07-25
Process for the carbonylation of butadiene and/or at least one butadiene derivative in the presence of water, an alkyl iodide and a rhodium containing catalyst system, wherein the carbonylation is performed in the presence of a carboxylic acid and the amount of water is higher than 0.4 wt.% and less than or equal to 5 wt.% (relative to the total liquid reaction mixture including the solvent(s), catalyst(s), promotor(s) and reactants).
A total synthesis of -cerulenin and -tetrahydrocerulenin
作者:Ann A. Jakubowski、Frank S. Guziec、Max Tishler
DOI:10.1016/s0040-4039(01)83776-x
日期:1977.1
[EN] PROCESS FOR THE PREPARATION OF 3-PENTENOIC ACID AND/OR ESTER THEREOF STARTING FROM BUTADIENE<br/>[FR] PROCEDE DE PREPARATION D'ACIDE 3-PENTANOIQUE A PARTIR DE BUTADIENE ET/OU ESTER DE CE DERNIER
申请人:DSM NV
公开号:WO2001021569A1
公开(公告)日:2001-03-29
Process for the preparation of 3-pentenoic acid and/or ester thereof starting from butadiene, wherein the process comprises the following steps : (a) reacting butadiene with a hydroxy group containing compound into an allylic compound, (b) separating the allylic compound from the reaction mixture obtained in step (a), (c) carbonylating the allylic compound in the presence of carbon monoxide and an alcohol and/or water using a rhodium containing catalyst and an iodine promotor whereby the carbonylation and/or carbonylation product recovery is performed in the presence of at least one stabilizer compound selected from a compound of an element of any of the groups 1-2 of the Periodic Table, a first row transition metal compound of any of the groups 3-12 of the Periodic Table, a compound of an element of group 13 of the Periodic Table, a compound of an element of group 15 of the Periodic Table, a rhenium compound, an iridium compound, a platinum compound and a cerium compound.
[EN] PROCESS FOR THE CARBONYLATION OF BUTADIENE AND/OR AT LEAST ONE BUTADIENE DERIVATIVE<br/>[FR] PROCEDE DE CARBONYLATION DE BUTADIENE ET/OU D'AU MOINS UN DERIVE DE BUTADIENE
申请人:DSM NV
公开号:WO2001053249A1
公开(公告)日:2001-07-26
Process for the carbonylation of butadiene and/or at least one butadiene derivative in the presence of water, an alkyl iodide and a rhodium containing catalyst system, wherein the carbonylation is performed in the presence of a carboxylic acid and the amount of water is higher than 0.4 wt. % and less than or equal to 5 wt. % (relative to the total liquid reaction mixture including the solvent(s), catalyst(s), promotor(s) and reactants).