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Home > Pharmaceutical Intermediates > Heterocyclic Compound (Find 6669 items)

Heterocyclic Compound

OTAVA-BB 1207229

(571188-59-5)
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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4-Dimethylaminopyridine

(1122-58-3)
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

3,4-Ethylenedioxythiophene

(126213-50-1)
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

(22246-18-0)
An antitumor agent. Hydroxyindole analog inhibitor tyrosinase melanoma. This compound is also used in the preparation of aripiprazole (A771000).

Picolinic Acid

(98-98-6)
Natural chelator of the vital trace elements chromium, zinc, manganese, copper, iron, and molybdenum.

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Cytosine

(71-30-7)
Widely distributed in nature; constituent of nucleic acids

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2-Amino-5-bromopyridine

(1072-97-5)
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.

2-Bromopyridine

(109-04-6)
2-Bromopyridine is a 2-halogenated pyridine used in the preparation of a variety of biologically active compounds such as antimalarial agents and beta-adrenoceptor agonist.Organic synthesis, pharmaceutical intermediates. In the pharmaceutical industry, it is used to synthesize diisopropyramine (propylpyramine phosphate) for heart diseases. It is used as a pharmaceutical intermediate. It is one of the important chemical raw materials for dimethyl sulfate. It is an important methylating agent. It is used in chemicals, medicine, pesticides, military industry, dyes, spices.

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2-Amino-4,6-dimethoxypyrimidine

(36315-01-2)
2-Amino-4,6-dimethoxypyrimidine is a building block for various chemical synthesis. Attributes PIS available on request.This product is an important pesticide intermediate for the synthesis of sulfonylurea pesticides, such as bensulfuron-methyl, Nicosulfuron, ciprosulfuron, ethoxysulfuron, sulfasulfuron, acrimsulfuron, pyrimsulfuron, clopyrsulfuron, tetrazosulfuron, pyrimsulfuron (NC- 311) etc.
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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