1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline

Base Information

• Chemical Name: 1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline
• CAS No.: 122851-98-3
• Molecular Formula: C₂₃H₂₄N₄S
• Molecular Weight: 388.536

Synonyms:1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline

Chemical Property of 1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline

Chemical Property:

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Technology Process of 1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline

There total 1 articles about 1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 93.0%

carbon disulfide (75-15-0,12122-00-8) + (Z)-3-[N'-((Z)-3-Imino-1-methyl-3-p-tolyl-propenyl)-hydrazino]-1-p-tolyl-but-2-enylideneamine (105687-01-2) → 1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline (122851-98-3)

Guidance literature:

In tetrahydrofuran; at 80 ℃; for 20h; sealed tube;

DOI:10.1016/S0040-4020(01)80043-0

Reference yield: 55.0%

1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline (122851-98-3) → 4?methyl?6?(4?methylphenyl)pyrimidine?2?thiol (122852-06-6) + 5-methyl-3-p-tolyl-1-(5'-methyl-3'-p-tolyl-2-pyrimidinyl)pyrazole (122852-03-3) + 3-methyl-5-(4-methylphenyl)-1H-pyrazole (90861-52-2)

Guidance literature:

In toluene; at 140 ℃; sealed tube;

DOI:10.1016/S0040-4020(01)80043-0

Reference yield:

1-(3-imino-1-methyl-3-p-tolylprop-1-enyl)-5-isothiocyanato-3-methyl-5-p-tolyl-2-pyrazoline (122851-98-3) → 2,7-Dimethyl-3a,5-di-p-tolyl-3,3a-dihydro-pyrazolo[1,5-a]pyrimidine (82737-58-4)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; at 0 ℃; for 12h;

DOI:10.1016/S0040-4020(01)80043-0

upstream raw materials:

carbon disulfide

(Z)-3-[N'-((Z)-3-Imino-1-methyl-3-p-tolyl-propenyl)-hydrazino]-1-p-tolyl-but-2-enylideneamine

Downstream raw materials:

2,7-Dimethyl-3a,5-di-p-tolyl-3,3a-dihydro-pyrazolo[1,5-a]pyrimidine

4?methyl?6?(4?methylphenyl)pyrimidine?2?thiol

5-methyl-3-p-tolyl-1-(5'-methyl-3'-p-tolyl-2-pyrimidinyl)pyrazole

3-methyl-5-(4-methylphenyl)-1H-pyrazole

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