P-TOLYLTETRAZOLIUM RED synthesis
- Product Name:P-TOLYLTETRAZOLIUM RED
- CAS Number:71658-33-8
- Molecular formula:C20H17ClN4
- Molecular Weight:348.8288
13412-07-2
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$29.00/100mg
71658-33-8
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$101.00/100mg
Yield:71658-33-8 92%
Reaction Conditions:
with N-chloro-succinimide in dichloromethane;water at 0; for 5 h;
Steps:
2.E; 2.F Example 2 A method for preparing 3-p-methylphenyl-2,5-diphenyltetrazole compound V-3,
E. The solid 3-p-methylphenyl-2,5-diphenylformamidine IV-2 obtained in the step D is used in 310 mL of dichloromethane andAfter dissolving a mixed solvent of 310 mL of water, N-chlorosuccinimide (0.11 mol, 14.7 g) was added and reacted at 0 ° C for 5 h;F. The mixed solution in step E is allowed to stand for stratification, the upper layer (aqueous solution) is taken out, and the solvent is distilled off to obtain 3-pMethylphenyl-2,5-tetrazole compound V-2 was purified by recrystallization from chloroform to give 32.0 g (yield: 92%).
References:
CN108440433,2018,A Location in patent:Paragraph 0069; 0070; 0071; 0076; 0077
112080-45-2
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71658-33-8
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100-52-7
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106-49-0
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100-63-0
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71658-33-8
23 suppliers
$101.00/100mg