A medium for electrophoresis in the form of an aqueous gel comprising an acrylamide copolymer having at least one specifically selected constitutional repeating unit. This medium is preferably employable for analysis of biopolymers such as proteins.
A process for modifying a polymer of a conjugated diene, which comprises reacting a polymer of a conjugated diene containing at least one metal selected from alkali metals and alkaline earth metals with a compound having a linkage of the following formula
wherein X represents an oxygen or sulfur atom, in the molecule.
一种改性共轭二烯聚合物的工艺,包括使含有至少一种选自碱金属和碱土金属的金属的共轭二烯聚合物与具有下式连接的化合物反应
其中 X 代表分子中的氧原子或硫原子。
Process for producing an aromatic compound
申请人:Mitsubishi Chemical Corporation
公开号:EP0405389A1
公开(公告)日:1991-01-02
A process for producing an aromatic compound is disclosed, which comprises coupling an aromatic sulfinic acid or a salt thereof with an aromatic halogen compound having at least one halogen atom attached to a carbon atom of the aromatic nucleus thereof or a vinyl group-containing halogen compound having at least one halogen atom attached to a carbon atom of said vinyl group in the presence of a catalyst compound containing an element selected from the platinum group. metals.