In heterogeneous catalysis, the catalyst is in a different phase from the reactants. HPLC of Formula: C4H2BrClN2, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 89089-18-9, name is 3-Bromo-6-chloropyridazine. In an article£¬Which mentioned a new discovery about 89089-18-9
PROCESS FOR PRODUCING 1,2-CIS-2-FLUOROCYCLOPROPANE-1?CARBOXYLIC ESTER COMPOUND
Provided is an industrially applicable process for producing 1,2-cis-2-fluorocyclopropane-1-carboxylic ester. A process for producing a compound represented by formula (3): [wherein R1 represents, for example, a C1-C8 alkyl group], which process includes reacting a compound represented by formula (1) : [wherein X1 represents a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom; X2 represents a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom; X1 and X2 are not simultaneously hydrogen atoms; and R1 has the same meaning as defined in formula (3)] with a reducing agent represented by formula (2): ????????M1BHmR2n (2-1) or M2(BHmR2n)2?????(2-2) [wherein M1 represents an alkali metal atom; M2 represents an alkaline earth metal atom or a zinc atom; R2 represents, for example, a hydrogen atom; m represents an integer from 1 to 4; n represents an integer from 0 to 3; and the sum of m and n is 4] in the presence of an aprotic polar solvent, and a Lewis acid such as a halide of an atom selected from among, for example, boron, magnesium, and aluminum.
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Reference£º
Pyridazine – Wikipedia,
Pyridazine | C4H4N2851 – PubChem