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Heterocyclic Compound

OTAVA-BB 1207229

4-(6-Aminopyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester is a pharmaceutical intermediate, mainly used for the synthesis of pabuxirib raw material medicine. 4-(6-Aminopyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester is an organic synthesis intermediate and pharmaceutical intermediate, mainly used as a laboratory research and development and chemical medicine synthesis process.

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1. A highly efficient catalyst for acylation reactions.
2. 4-Dimethylaminopyridine is a versatile hypernucleophilic acylation catalyst, it is used to improve the yield, reduce the reaction time, improving relaxation process conditions. Widely used in perfumes, dyes, pigments, pesticides, pharmaceuticals and polymer compounds and other fields. Also used as a catalyst for the synthesis of polyurethane, a curing agent and a blowing catalyst.
3. DMAP is a useful highly basic nucleophilic catalyst for a variety of reactions such as esterifications with anhydrides, the Baylis-Hillman reaction, hydrosilylations, tritylation, the Steglich rearrangement.
4. A highly fluorescent adenosine analogue, which in a dimethoxytrityl, phosphoramidite protected form, can be site-specifically inserted into oligonucleotides through a 3?5?phosphodiester linkage using an automated DNA synthesizer


Mainly used in the synthesis of conductive polymer PEDT, widely used in modern electronics industry. It is used as a reducing agent in synthetic gold nanoparticles; as the starting material for palladium-catalyzed arylation reactions; for synthesizing coupling polymers and co-polymers, and as a synthetic conductive polymer PEDT.

7-Hydroxy Quinolinone

An antitumor agent. Hydroxyindole analog inhibitor tyrosinase melanoma. This compound is also used in the preparation of aripiprazole (A771000).

Picolinic Acid

Natural chelator of the vital trace elements chromium, zinc, manganese, copper, iron, and molybdenum.

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Widely distributed in nature; constituent of nucleic acids

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Kojic acid

Converted to maltol and ethyl maltol, flavor-enhancing additives.Food additive to inhibit tyrosinase.

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2-Amino-5-bromopyridine is an organic synthesis intermediate and pharmaceutical intermediate. It can be used in the laboratory research and development process and the chemical medicine research and development process. It can be used as a raw material for the preparation of drugs and fine chemicals.


Used as pharmaceutical intermediates, but also for organic synthesis.Used in biochemical research. Used in the synthesis of medicines, as pharmaceutical intermediates, and also in organic synthesis

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Heterocyclic compounds are organic compounds that contain a heterocyclic structure in the molecule and are the largest number of organic compounds. In addition to carbon atoms, the atoms constituting the ring also contain at least one heteroatom. The most common heteroatoms are nitrogen atoms, sulfur atoms, and oxygen atoms.This organic compound can be divided into two categories: aliphatic heterocycles and aromatic heterocycles. Heterocyclic compounds are ubiquitous in the structure of drug molecules.
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