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Chemical Structure| 21460-88-8 Chemical Structure| 21460-88-8

Structure of 21460-88-8

Chemical Structure| 21460-88-8

2,5-Dichloro-4-methylbenzoic acid

CAS No.: 21460-88-8

4.5 *For Research Use Only !

Cat. No.: A964618 Purity: 97%

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Product Details of [ 21460-88-8 ]

CAS No. :21460-88-8
Formula : C8H6Cl2O2
M.W : 205.04
SMILES Code : O=C(O)C1=CC(Cl)=C(C)C=C1Cl
MDL No. :MFCD24479896
Boiling Point : No data available
InChI Key :KZEKKSQWQXNSBB-UHFFFAOYSA-N
Pubchem ID :30640

Safety of [ 21460-88-8 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P280-P301+P312-P302+P352-P305+P351+P338

Application In Synthesis of [ 21460-88-8 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 21460-88-8 ]

[ 21460-88-8 ] Synthesis Path-Downstream   1~11

  • 1
  • 5-amino-2-chloro-4-methylbenzoic acid [ No CAS ]
  • [ 21460-88-8 ]
  • 2
  • [ 637347-67-2 ]
  • [ 21460-88-8 ]
  • 3
  • [ 1124-05-6 ]
  • [ 13799-90-1 ]
  • [ 21460-88-8 ]
  • [ 128230-05-7 ]
  • 2,5-dichloro-p-carboxybenzyl bromide [ No CAS ]
  • [ 128230-06-8 ]
  • 5
  • [ 5162-82-3 ]
  • [ 21460-88-8 ]
  • 6
  • [ 34633-67-5 ]
  • [ 21460-88-8 ]
  • 7
  • 2-chloro-4-methyl-5-nitro-aniline [ No CAS ]
  • [ 21460-88-8 ]
  • 8
  • [ 200265-68-5 ]
  • [ 21460-88-8 ]
  • 9
  • [ 101580-96-5 ]
  • [ 21460-88-8 ]
  • 10
  • concentrated H2 SO4 [ No CAS ]
  • [ 21460-88-8 ]
  • [ 103877-69-6 ]
YieldReaction ConditionsOperation in experiment
In toluene; 1. 2,5-Dichloro-4-methyl-3-nitrobenzoic acid 41 g of <strong>[21460-88-8]2,5-dichloro-4-methylbenzoic acid</strong> are added in portions to a mixture of 100 ml of concentrated H2 SO4 and 20 ml of 68% strength HNO3. The mixture is kept at 50 for 3 hours and then poured onto 600 g of ice. The solid which has precipitated is isolated, dried and stirred with a little toluene. Melting point: 210-18, yield: 43.8 g.
  • 11
  • [ 21460-88-8 ]
  • 1,4-dichloro-2-isocyanato-5-methylbenzene [ No CAS ]
YieldReaction ConditionsOperation in experiment
99.96% With diphenyl phosphoryl azide; triethylamine; In toluene; at 120.0℃; for 2.0h; To a solution of 2,5-dichloro-4-methyl-benzoic acid ( 1 .00 g, 4.88 mmol, 1 .00 eq) and triethylamine (523 mg, 5.17 mmol, 720 uL, 1 .06 eq) in toluene (50.0 mL) was added diphenyl phosphorazidate (1 .37 g, 4.97 mmol, 1 .08 mL, 1 .02 eq) at 20 C. The reaction mixture was stirred 1 20 C for 2 h. The reaction mixture was concentrated in vacuo. The residue was suspended in dichloromethane (4.00 mL) to give 1 ,4-dichloro-2-isocyanato- 5- methylbenzene (985 mg, 4.88 mmol, 99.96% yield) as a yellow oil, which (in dichloromethane (4.00 mL)) was used for the next step.
 

Historical Records

Technical Information

• Alkyl Halide Occurrence • Arndt-Eistert Homologation • Baeyer-Villiger Oxidation • Barbier Coupling Reaction • Baylis-Hillman Reaction • Bucherer-Bergs Reaction • Clemmensen Reduction • Corey-Bakshi-Shibata (CBS) Reduction • Corey-Chaykovsky Reaction • Fischer Indole Synthesis • General Reactivity • Grignard Reaction • Henry Nitroaldol Reaction • Hiyama Cross-Coupling Reaction • Horner-Wadsworth-Emmons Reaction • Hunsdiecker-Borodin Reaction • Hydride Reductions • Kinetics of Alkyl Halides • Kumada Cross-Coupling Reaction • Lawesson's Reagent • Leuckart-Wallach Reaction • McMurry Coupling • Meerwein-Ponndorf-Verley Reduction • Passerini Reaction • Paternò-Büchi Reaction • Petasis Reaction • Peterson Olefination • Pictet-Spengler Tetrahydroisoquinoline Synthesis • Preparation of Aldehydes and Ketones • Preparation of Amines • Preparation of Carboxylic Acids • Prins Reaction • Reactions of Aldehydes and Ketones • Reactions of Alkyl Halides with Reducing Metals • Reactions of Amines • Reactions of Benzene and Substituted Benzenes • Reactions of Carboxylic Acids • Reformatsky Reaction • Robinson Annulation • Schlosser Modification of the Wittig Reaction • Schmidt Reaction • Specialized Acylation Reagents-Ketenes • Stille Coupling • Stobbe Condensation • Substitution and Elimination Reactions of Alkyl Halides • Suzuki Coupling • Tebbe Olefination • Ugi Reaction • Wittig Reaction • Wolff-Kishner Reduction

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