The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 3-(Chloromethyl)-1-methyl-1H-pyrazole, is researched, Molecular C5H7ClN2, CAS is 84547-64-8, about 1-Alkylpyrazoles and 1-alkyl-5-chloropyrazoles from halovinyl ketones and 1,1-dialkylhydrazines, the main research direction is ketone chloro vinyl heterocyclization hydrazine dialkyl; pyrazole alkyl chloro preparation.Recommanded Product: 84547-64-8.
Regioselective heterocyclization of chlorovinyl ketones R1COCH:C(R2)Cl (R1 = Me, R2 = H; R1 = n-Pr, R2 = H, Cl; R1 = CH2Cl, R2 = H) with 1,1-dialkyl-hydrazines NH2N(R3)2 (R3 = Me, n-Bu) to pyrazoles I involved intermediate formation of the corresponding dialkylhydrazones II. The mass spectrum fragmentation pattern of chlorine-containing pyrazoles I (R1 = CH2Cl, R2 = H, R3 = Me; R1 = n-Pr, R2 = Cl, R3 = Me) depended on the position of the halogen atom.
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Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics