摘要:
The present invention refers to processes for catalytic reversible alkene-nitrile interconversion through controllable HCN-free transfer hydrocyanation.
摘要:
A preparation method of an aldehyde compound of the present invention includes a step of reacting a compound represented by the following general formula (a1) with hydrogen and carbon monoxide in the presence of a metal compound including 0.01 ppmmol to 10 ppmmol of a metal belonging to Groups 8 to 10 with respect to 1 mole of the compound and a phosphorus compound, and in the step, the amount of acrylonitrile included in the compound represented by the general formula (a1) is equal to or less than 200-fold by mole with respect to 1 mole of the metal belonging to Groups 8 to 10.
摘要:
The purification method of an aldehyde compound of the present invention includes a step of neutralizing a reaction solution containing an aldehyde compound by adding water and a base compound to the reaction solution, and a step of distilling the neutralized reaction solution, in which the reaction solution is obtained by reacting a compound represented by the following Formula (a1) or (a2) with hydrogen and carbon monoxide in the presence of a metal compound of groups 8 to 10 and a phosphorus compound, the phosphorus compound is represented by Formula (R 1 O) 3 P, and the base compound is at least one kind selected from among carbonate and hydrogen carbonate of metals of group I on the periodic table and carbonate and hydrogen carbonate of metals of group II on the periodic table.
摘要:
The present invention refers to processes for catalytic reversible alkene-nitrile interconversion through controllable HCN-free transfer hydrocyanation.
摘要:
Disclosed herein are compounds of the general Formula (I), and methods of synthesizing a substituted bicyclo[1.1.1]pentane using a Group VII or Group IX transition metal compound.
摘要:
A preparation method of an aldehyde compound of the present invention includes a step of reacting the compound represented by the following general formula (a1) or (a2) with hydrogen and carbon monoxide in the presence of a metal compound including 0.01 ppmmol to 10 ppmmol of a metal belonging to Groups 8 to 10 with respect to 1 mole of the compound and a phosphorus compound, and the amount of a chlorine portion in the reaction system in the step is equal to or less than 1.5 parts by weight with respect to 1 part by weight of the metal belonging to Groups 8 to 10.
摘要:
The invention relates to hexahydropentaleno derivatives, the preparation method and use in medicine thereof, and in particular to hexahydropentaleno derivatives or stereo-isomers or pharmaceutically acceptable salts thereof as shown in general formula (I), and to the preparation method therefor and pharmaceutical compositions comprising the derivatives, and to the use thereof as a therapeutical agent, especially as a DPP-IV inhibitor. The definition of each substituent in formula (I) is the same as the definition in the description.