Reference of 34551-41-2, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.34551-41-2, Name is 5-Bromo-1-chloroisoquinoline, molecular formula is C9H5BrClN. In a Patent，once mentioned of 34551-41-2
Provided is a novel bicyclic compound which has an HSP90 inhibitory effect and a carcinostatic effect. Also provided is a pharmaceutical agent which is based on the HSP90 inhibitory effect and is useful in the prevention and/or treatment of a disease involving HSP90, particularly, cancer. The present invention provides a compound represented by the following general formula (I) or a salt thereof wherein at least one of X1, X2, X3, and X4 represents N or N-oxide and the rest thereof are the same or different and each represent C?R2; any one or two of Y1, Y2, Y3, and Y4 represent C?R4 and the rest thereof are the same or different and each represent CH or N; R1 represents an optionally substituted monocyclic or bicyclic unsaturated heterocyclic group having 1 to 4 heteroatoms selected from N, S, and O; R2 represents a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms etc.; R3 represents a hydrogen atom, ?CO?R5 etc.; R4 represents a hydrogen atom, ?CO?R6, ?N(R7)(R8) etc.; R5 represents a hydroxyl group, an amino group etc.; R6 represents a hydroxyl group etc.; R7 and R8 are the same or different and each represent a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms etc.; and R9 represents an optionally substituted cycloalkyl group having 3 to 7 carbon atoms etc.
A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 34551-41-2
Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem