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Drug Intermediates


- Diethyl 1,3-acetonedicarboxylate
- Diethyl Acetone-1,3-Dicarboxylate
- Veratrol
- 1, 3- Acetonedicarboxylic Acid
- 3-Oxopentanedioic Acid
- Veratrole
- Catechol Dimethyl Ether
- Dimethoxybenzene
- Bis(Trimethyl) Trifluoroacetamide
- Ethanamidic Acid
- Pyridinium-P-Toluene Sulphonate
- Pyridinium Dichromate
- 4-Methyl Phenacyl Bromide
- 2, 5-Dimethoxyacetophenone
- 4-Methoxybenzoic Acid
- 1, 4-Dimethoxybenzene
- Acetonedicarboxylic Acid Diethyl Ester
- Diethyl-3-Oxoglutarate
- 3-Oxoglutaric acid
- 3-Ketoglutaric Acid
- 1, 3- Acetonedicarboxylic Dimethyl Ester
- 1, 2-Dimethoxybenzene
- O-Dimethoxybenzene
- Trifluoroacetamide
- Ethanimidic Acid
- 2, 2, 2-trifluoro-n-( Trimethylsilyl ) Acetimidate
- Pyridinium-P-Toluene Sulfonate
- Pyridinium Chlorochromate
- 2-Quinoline Carboxaldehyde
- P-Anisic Acid
- 3, 5-Dinitrosalicylic Acid


  2-Quinoline Carboxaldehyde

The present invention is directed towards a method of ultrasensitive detection and quantification of primary 5 amines by reaction of the primary amine with substituted aroyl-2-quinoline-carboxaldehyde (XArQCA) reagents, followed by measurement of the fluorescent product. Primary amines which may be detected by the present reagents include naturally occurring and chemically synthesized molecules such.



  2, 5-Dimethoxyacetophenone

Novel N-methylated 2-(oxazolin-2-yl)-4,4-bipyridinium salts, bearing a chiral oxazoline moiety, were tested in the Rh(I)-catalysed enantioselective hydrosilylation. After coordination to rhodium these electron-attracting ligands are supposed to exhibit charge-transfer effects with electron-donating substrates.



  P-Anisic Acid

4-methoxybenzoic acid, or anisic acid, is an organic compound which is a carboxylic acid found naturally in anise. It is a white crystalline solid which is insoluble in water and soluble in alcohols, ether, and ethyl acetate.



  4-Methoxybenzoic Acid

4-Methoxybenzoic acid, or anisic acid, is an organic compound which is a carboxylic acid found naturally in anise. It is a white crystalline solid which is insoluble in water and soluble in alcohols, ether, and ethyl acetate.



  3, 5-Dinitrosalicylic Acid

3,5-Dinitrosalicylic acid (DNS) is an aromatic compound that reacts with reducing sugars and other reducing molecules to form 3-amino-5-nitrosalicylic acid, which absorbs light strongly at 540 nm. It was first introduced as a method to detect reducing substances in urine and has since been widely used, for example, for quantificating carbohydrates levels in blood. It is mainly used in assay of alpha-amylase. However, enzymatic methods are usually preferred to DNS due to their specificity.


  1, 4-Dimethoxybenzene

Dimethoxybenzene is useful as an intermediate in synthesis of pharmaceuticals as well as other organic molecules. It is used in some paints and as a diazo dye. Cosmetically it is used on greasy skin, and with sulfur to treat acne, or as a dandruff treatment.




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