Tag: M.W=100-200

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Synthesis of pyrazole derivatives from 1,1-dimethylhydrazine and chlorovinyl ketones, published in 2001-12-31, which mentions a compound: 84547-64-8, mainly applied to chlorovinyl ketone cyclization methylhydrazine; pyrazol preparation; hydrazinium methyl chloride preparation, Category: amides-buliding-blocks.

The reaction of accessible 2-chlorovinyl Me ketones with 1,1-dimethylhydrazine gave pyrazole derivatives in high yields. 1,1,1-Trimethylhydrazinium chloride was isolated as second product of this reaction in high yield.

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Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Name: 3-(Chloromethyl)-1-methyl-1H-pyrazole. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 3-(Chloromethyl)-1-methyl-1H-pyrazole, is researched, Molecular C5H7ClN2, CAS is 84547-64-8, about New synthesis and properties of 3-alkyl-, 3-chloroalkyl-, 3-perfluoroalkyl-, and 3-aryl-1-methyl-5-halopyrazoles from chloro(bromo)vinyl ketones and N,N-dimethylhydrazine. Author is Levkovskaya, G. G.; Bozhenkov, G. V.; Larina, L. I.; Mirskova, A. N..

A new regioselective heterocyclization was revealed in the reaction of 2-chloro- and 2,2-dichloro(bromo)vinyl ketones with N,N-dimethylhydrazine to afford 3-substituted 1-methyl-5-halopyrazoles. The reaction is accompanied by elimination of Me halide and formation of up to 90% of N,N,N-trimethylhydrazinium halide as the second product.

Here is just a brief introduction to this compound(84547-64-8)Name: 3-(Chloromethyl)-1-methyl-1H-pyrazole, more information about the compound(3-(Chloromethyl)-1-methyl-1H-pyrazole) is in the article, you can click the link below.

Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Bozhenkov, G. V.; Savosik, V. A.; Klyba, L. V.; Zhanchipova, E. R.; Mirskova, A. N.; Levkovskaya, G. G. researched the compound: 3-(Chloromethyl)-1-methyl-1H-pyrazole( cas:84547-64-8 ).Synthetic Route of C5H7ClN2.They published the article 《1-Alkylpyrazoles and 1-alkyl-5-chloropyrazoles from halovinyl ketones and 1,1-dialkylhydrazines》 about this compound( cas:84547-64-8 ) in Russian Journal of Organic Chemistry. Keywords: ketone chloro vinyl heterocyclization hydrazine dialkyl; pyrazole alkyl chloro preparation. We’ll tell you more about this compound (cas: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.

Here is just a brief introduction to this compound(84547-64-8)Synthetic Route of C5H7ClN2, more information about the compound(3-(Chloromethyl)-1-methyl-1H-pyrazole) is in the article, you can click the link below.

Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Electric Literature of C5H7ClN2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. 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.

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.

Here is just a brief introduction to this compound(84547-64-8)Electric Literature of C5H7ClN2, more information about the compound(3-(Chloromethyl)-1-methyl-1H-pyrazole) is in the article, you can click the link below.

Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Computed Properties of C5H7ClN2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. 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.

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.

Here is just a brief introduction to this compound(84547-64-8)Computed Properties of C5H7ClN2, more information about the compound(3-(Chloromethyl)-1-methyl-1H-pyrazole) is in the article, you can click the link below.

Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《1-Alkylpyrazoles and 1-alkyl-5-chloropyrazoles from halovinyl ketones and 1,1-dialkylhydrazines》. Authors are Bozhenkov, G. V.; Savosik, V. A.; Klyba, L. V.; Zhanchipova, E. R.; Mirskova, A. N.; Levkovskaya, G. G..The article about the compound:3-(Chloromethyl)-1-methyl-1H-pyrazolecas:84547-64-8,SMILESS:CN1N=C(CCl)C=C1).Quality Control of 3-(Chloromethyl)-1-methyl-1H-pyrazole. Through the article, more information about this compound (cas:84547-64-8) is conveyed.

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

Levkovskaya, G. G.; Bozhenkov, G. V.; Malyushenko, R. N.; Mirskova, A. N. published the article 《Synthesis of pyrazole derivatives from 1,1-dimethylhydrazine and chlorovinyl ketones》. Keywords: chlorovinyl ketone cyclization methylhydrazine; pyrazol preparation; hydrazinium methyl chloride preparation.They researched the compound: 3-(Chloromethyl)-1-methyl-1H-pyrazole( cas:84547-64-8 ).Recommanded Product: 84547-64-8. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:84547-64-8) here.

The reaction of accessible 2-chlorovinyl Me ketones with 1,1-dimethylhydrazine gave pyrazole derivatives in high yields. 1,1,1-Trimethylhydrazinium chloride was isolated as second product of this reaction in high yield.

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Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

SDS of cas: 84547-64-8. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 3-(Chloromethyl)-1-methyl-1H-pyrazole, is researched, Molecular C5H7ClN2, CAS is 84547-64-8, about Synthesis of new proton-pump inhibitors. Author is Kim, Hyo-Jeong; Park, Il-Hyun.

For development new anti-ulcer agents, we synthesized omeprazole analogs, in which pyridine group was replaced by pyrazole moiety, to increase pharmacol. activity and to decrease side effects, and also synthesize substituted benzimidazole rings.

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Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 3-(Chloromethyl)-1-methyl-1H-pyrazole( cas:84547-64-8 ) is researched.HPLC of Formula: 84547-64-8.Levkovskaya, G. G.; Bozhenkov, G. V.; Larina, L. I.; Mirskova, A. N. published the article 《New synthesis and properties of 3-alkyl-, 3-chloroalkyl-, 3-perfluoroalkyl-, and 3-aryl-1-methyl-5-halopyrazoles from chloro(bromo)vinyl ketones and N,N-dimethylhydrazine》 about this compound( cas:84547-64-8 ) in Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). Keywords: regioselective heterocyclization halovinyl ketone dimethylhydrazine; halopyrazole preparation; pyrazole halo preparation. Let’s learn more about this compound (cas:84547-64-8).

A new regioselective heterocyclization was revealed in the reaction of 2-chloro- and 2,2-dichloro(bromo)vinyl ketones with N,N-dimethylhydrazine to afford 3-substituted 1-methyl-5-halopyrazoles. The reaction is accompanied by elimination of Me halide and formation of up to 90% of N,N,N-trimethylhydrazinium halide as the second product.

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Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Levkovskaya, G. G.; Bozhenkov, G. V.; Larina, L. I.; Mirskova, A. N. published an article about the compound: 3-(Chloromethyl)-1-methyl-1H-pyrazole( cas:84547-64-8,SMILESS:CN1N=C(CCl)C=C1 ).HPLC of Formula: 84547-64-8. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:84547-64-8) through the article.

A new regioselective heterocyclization was revealed in the reaction of 2-chloro- and 2,2-dichloro(bromo)vinyl ketones with N,N-dimethylhydrazine to afford 3-substituted 1-methyl-5-halopyrazoles. The reaction is accompanied by elimination of Me halide and formation of up to 90% of N,N,N-trimethylhydrazinium halide as the second product.

I hope my short article helps more people learn about this compound(3-(Chloromethyl)-1-methyl-1H-pyrazole)HPLC of Formula: 84547-64-8. Apart from the compound(84547-64-8), you can read my other articles to know other related compounds.

Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics