Preventives/remedies for voiding disturbance containing a compound having both of an acetylcholinesterase inhibitory action and an α1 antagonistic action which exhibits an excellent effect of improving the urinary function of the bladder (i.e., effects of improving urine flow rate and voiding efficiency) without affecting the urinary pressure or the blood pressure.
Preventives/remedies for voiding disturbance containing a compound having both of an acetylcholinesterase inhibitory action and an α1 antagonistic action which exhibits an excellent effect of improving the urinary function of the bladder (i.e., effects of improving urine flow rate and voiding efficiency) without affecting the urinary pressure or the blood pressure.
OLEFIN OLIGOMERIZATION CATALYST AND METHOD FOR PRODUCING OLEFIN OLIGOMER IN THE PRESENCE OF THE SAME CATALYST
申请人:MITSUI CHEMICALS, INC.
公开号:US20200222886A1
公开(公告)日:2020-07-16
A method for producing an olefin oligomer is disclosed, in which an olefin oligomerization reaction is performed in the presence of an olefin oligomerization catalyst comprising (A) a chromium compound, (B) an amine compound of the general formula (1):
(R
1
to R
4
represent a group such as a hydrocarbon group, Y represents a structure represented by —CR
5
R
6
—, R
5
and R
6
represent a group such as a hydrogen atom, and Z represents an integer of 1 to 10),
and (C) a compound such as an organometal compound; and the olefin oligomerization catalyst.