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Heterocyclic Compounds

Heterocyclic compounds are a class of compounds that consist of carbon atoms and non-carbon atoms altogether forming a cyclic skeletal structure. These non-carbon atoms are collectively referred to as a heteroatom. The common heteroatoms include nitrogen, oxygen, and sulfur. Lactones, lactams, cyclic ethers that we’ve already learned are heterocyclic compounds. With similar properties of congeneric open-chain compounds, they will be discussed in corresponding chapters. This chapter will mainly discuss heterocyclic compounds with relatively stable ring system and with a certain degree of aromaticity, also known as aromatic heterocyclic compound.

There are many kinds and a large number of heterocyclic compounds widely distributed in nature. Many natural heterocyclic compounds in animals and plants play an important physiological role in the body. For example, heterocyclic structure exists in chlorophyll in plants, hemoglobin in animal blood, alkaloids and glycosides as the active ingredient in herbs, some antibiotics and vitamins, certain composition of amino acids in protein and bases in nucleotide. About half of the existing medicines have heterocyclic structures. Thus, heterocyclic compounds play an important role in organic compounds especially in organic medicines.

The most common and also the most important heterocyclic compounds are that with five-membered or six-membered heterocyclic ring and their fused heterocyclic compounds. Therefore, according to the size of the ring, heterocyclic compounds can be divided into five-membered compounds and six-membered heterocyclic compounds. E.g., furan, thiophene, pyrrole, imidazole, triazole and their fused heterocyclic compounds, indole, benzimidazole and diphenylene-oxide are all five-membered heterocyclic compounds, while pyridine, pyrimidine and their fused heterocyclic compounds, quinoline and quinazoline are all six-membered heterocyclic compounds.

According to the number of hetero atoms, five-membered compounds and six-membered heterocyclic compounds can be divided into one-hetero-atom-containing heterocyclic compounds and two-hetero-atom-containing and several-hetero-atom-containing heterocyclic compounds. E.g., furan, thiophene, pyridine, indole, quinoline, dibenzofuran, etc. are one-hetero-atom-containing heterocyclic compounds; imidazole, pyrimidine, benzimidazole, quinazoline, etc. are two-hetero-atom-containing heterocyclic compounds; purine, comprising more than two hetero atoms, is a several-hetero-atom-containing heterocyclic compound. According to the form of the ring in the molecule, heterocyclic compounds can be divided into single-heterocyclic compounds and fused heterocyclic compounds. E.g., furan, pyridine, pyrimidine, imidazole, etc. are single-heterocyclic compounds and indole, quinoline, dibenzofuran, purines, etc. are fused heterocyclic compounds.

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Structure Chemical Name CAS MF
3-bromo-6-(2-bromophenyl)-2-fluoropyridine 3-bromo-6-(2-bromophenyl)-2-fluoropyridine 2600400-33-5 C11H6Br2FN
3-bromo-6-cyclobutyl-2-methylpyridine 3-bromo-6-cyclobutyl-2-methylpyridine 2600399-91-3 C10H12BrN
3-bromo-6-(1H-imidazol-1-yl)-2-methylpyridine 3-bromo-6-(1H-imidazol-1-yl)-2-methylpyridine 1256811-14-9 C9H8BrN3
4-bromo-2-methoxy-6-(oxetan-3-yl)pyridine 4-bromo-2-methoxy-6-(oxetan-3-yl)pyridine 2645413-99-4 C9H10BrNO2
4-bromo-2-fluoro-6-(oxetan-3-yl)pyridine 4-bromo-2-fluoro-6-(oxetan-3-yl)pyridine 2645419-77-6 C8H7BrFNO
1-(4-bromo-2-(trifluoromethyl)phenyl)-2-methyl-1H-imidazole 1-(4-bromo-2-(trifluoromethyl)phenyl)-2-methyl-1H-imidazole 1478671-00-9 C11H8BrF3N2
4-bromo-1-(m-tolyl)-1H-1,2,3-triazole 4-bromo-1-(m-tolyl)-1H-1,2,3-triazole 2256748-66-8 C9H8BrN3
2-chloro-4-(2,2-difluorocyclopropyl)pyrimidine 2-chloro-4-(2,2-difluorocyclopropyl)pyrimidine 2300470-16-8 C7H5ClF2N2
4-bromo-1-(2-(trifluoromethyl)phenyl)-1H-1,2,3-triazole 4-bromo-1-(2-(trifluoromethyl)phenyl)-1H-1,2,3-triazole 2256748-71-5 C9H5BrF3N3
4-bromo-1-(4-(trifluoromethyl)phenyl)-1H-1,2,3-triazole 4-bromo-1-(4-(trifluoromethyl)phenyl)-1H-1,2,3-triazole 2256748-73-7 C9H5BrF3N3
4-bromo-1-(4-methoxyphenyl)-1H-1,2,3-triazole 4-bromo-1-(4-methoxyphenyl)-1H-1,2,3-triazole 2256748-76-0 C9H8BrN3O
2-(4-bromo-1H-1,2,3-triazol-1-yl)benzonitrile 2-(4-bromo-1H-1,2,3-triazol-1-yl)benzonitrile 2256748-77-1 C9H5BrN4
2-bromo-4-(oxetan-2-ylmethoxy)pyridine 2-bromo-4-(oxetan-2-ylmethoxy)pyridine 2645416-48-2 C9H10BrNO2
2-bromo-5-((tetrahydrofuran-2-yl)methoxy)pyridine 2-bromo-5-((tetrahydrofuran-2-yl)methoxy)pyridine 1700313-99-0 C10H12BrNO2
4-bromo-1-(furan-2-yl)-1H-1,2,3-triazole 4-bromo-1-(furan-2-yl)-1H-1,2,3-triazole 2256748-82-8 C6H4BrN3O
5-(4-bromo-1H-1,2,3-triazol-1-yl)thiazole 5-(4-bromo-1H-1,2,3-triazol-1-yl)thiazole 2256748-85-1 C5H3BrN4S
5-(4-bromo-1H-1,2,3-triazol-1-yl)pyrimidine 5-(4-bromo-1H-1,2,3-triazol-1-yl)pyrimidine 2256754-41-1 C6H4BrN5
2-bromo-5-(3-methylbicyclo[1.1.1]pentan-1-yl)pyridine 2-bromo-5-(3-methylbicyclo[1.1.1]pentan-1-yl)pyridine 2697155-63-6 C11H12BrN
2-(bicyclo[1.1.1]pentan-1-yl)-5-bromopyrimidine 2-(bicyclo[1.1.1]pentan-1-yl)-5-bromopyrimidine 2697154-99-5 C9H9BrN2
2-(bicyclo[1.1.1]pentan-1-yl)-5-bromothiazole 2-(bicyclo[1.1.1]pentan-1-yl)-5-bromothiazole 2697162-25-5 C8H8BrNS
1-(2-methylpyridin-4-yl)-1H-1,2,3-triazol-4-amine 1-(2-methylpyridin-4-yl)-1H-1,2,3-triazol-4-amine 2256754-48-8 C8H9N5
4-(4-bromo-1H-1,2,3-triazol-1-yl)-2-fluoropyridine 4-(4-bromo-1H-1,2,3-triazol-1-yl)-2-fluoropyridine 2256754-51-3 C7H4BrFN4
4-bromo-2-(pyrrolidin-1-yl)oxazole 4-bromo-2-(pyrrolidin-1-yl)oxazole 1893036-67-3 C7H9BrN2O
2-(difluoromethyl)-5-methoxypyridin-3-ol 2-(difluoromethyl)-5-methoxypyridin-3-ol 1804707-64-9 C7H7F2NO2
1-(8-bromoquinoxalin-5-yl)ethan-1-one 1-(8-bromoquinoxalin-5-yl)ethan-1-one 2383974-38-5 C10H7BrN2O
tert-butyl 4-(4-bromopyridin-2-yl)-3-methylpiperidine-1-carboxylate tert-butyl 4-(4-bromopyridin-2-yl)-3-methylpiperidine-1-carboxylate 2806720-64-7 C16H23BrN2O2
2-(3-(oxetan-3-yl)phenyl)morpholine 2-(3-(oxetan-3-yl)phenyl)morpholine 1895696-97-5 C13H17NO2
2-(4-bromopyridin-2-yl)tetrahydro-4H-pyran-4-one 2-(4-bromopyridin-2-yl)tetrahydro-4H-pyran-4-one 2806729-67-7 C10H10BrNO2
2-(2-chloropyrimidin-5-yl)tetrahydro-4H-pyran-4-one 2-(2-chloropyrimidin-5-yl)tetrahydro-4H-pyran-4-one 2806720-85-2 C9H9ClN2O2
2-(2-aminopyridin-4-yl)tetrahydro-4H-pyran-4-one 2-(2-aminopyridin-4-yl)tetrahydro-4H-pyran-4-one 2806728-42-5 C10H12N2O2
3-(4-hydroxypyridin-2-yl)tetrahydro-4H-pyran-4-one 3-(4-hydroxypyridin-2-yl)tetrahydro-4H-pyran-4-one 2806719-73-1 C10H11NO3
3-(6-aminopyrimidin-4-yl)tetrahydro-4H-pyran-4-one 3-(6-aminopyrimidin-4-yl)tetrahydro-4H-pyran-4-one 2806729-00-8 C9H11N3O2
3-(5-bromopyridin-2-yl)tetrahydro-4H-pyran-4-one 3-(5-bromopyridin-2-yl)tetrahydro-4H-pyran-4-one 2806718-87-4 C10H10BrNO2
5-methyl-6-(trifluoromethyl)pyridin-2-ol 5-methyl-6-(trifluoromethyl)pyridin-2-ol 2891518-85-5 C7H6F3NO
4-chloro-2-fluoropyrido[2,3-d]pyrimidine 4-chloro-2-fluoropyrido[2,3-d]pyrimidine 1824289-69-1 C7H3ClFN3
tert-butyl 3-(5-bromo-6-(trifluoromethyl)pyridin-2-yl)pyrrolidine-1-carboxylate tert-butyl 3-(5-bromo-6-(trifluoromethyl)pyridin-2-yl)pyrrolidine-1-carboxylate 2891519-91-6 C15H18BrF3N2O2
3-bromo-6-(piperidin-4-yl)-2-(trifluoromethyl)pyridine 3-bromo-6-(piperidin-4-yl)-2-(trifluoromethyl)pyridine 2891520-12-8 C11H12BrF3N2
6-bromo-3-(pyrrolidin-3-yl)-2-(trifluoromethyl)pyridine 6-bromo-3-(pyrrolidin-3-yl)-2-(trifluoromethyl)pyridine 2891521-13-2 C10H10BrF3N2
5-bromo-2-(tetrahydrofuran-3-yl)pyridin-4-ol 5-bromo-2-(tetrahydrofuran-3-yl)pyridin-4-ol 2891519-94-9 C9H10BrNO2
5-isopropyl-2-methylpyridin-4-ol 5-isopropyl-2-methylpyridin-4-ol 2117401-65-5 C9H13NO
tert-butyl 5-ethyl-2,3-dihydro-4H-1,4-oxazine-4-carboxylate tert-butyl 5-ethyl-2,3-dihydro-4H-1,4-oxazine-4-carboxylate 2891511-96-7 C11H19NO3
tert-butyl 3-(4-bromopyridin-2-yl)morpholine-4-carboxylate tert-butyl 3-(4-bromopyridin-2-yl)morpholine-4-carboxylate 2879235-86-4 C14H19BrN2O3
tert-butyl 3-(5-aminopyrimidin-2-yl)morpholine-4-carboxylate tert-butyl 3-(5-aminopyrimidin-2-yl)morpholine-4-carboxylate 2891520-59-3 C13H20N4O3
tert-butyl 5-bromo-2-oxopyridine-1(2H)-carboxylate tert-butyl 5-bromo-2-oxopyridine-1(2H)-carboxylate 2762840-78-6 C10H12BrNO3
5-bromo-2-chloro-4-fluoro-3-methylpyridine 5-bromo-2-chloro-4-fluoro-3-methylpyridine 2952838-23-0 C6H4BrClFN
2-bromo-4-propylpyridin-3-amine 2-bromo-4-propylpyridin-3-amine
2-bromo-3-ethylpyridin-4-ol 2-bromo-3-ethylpyridin-4-ol 2294947-13-8 C7H8BrNO
5-bromo-2-methoxy-3-(tetrahydrofuran-3-yl)pyridine 5-bromo-2-methoxy-3-(tetrahydrofuran-3-yl)pyridine 2294945-05-2 C10H12BrNO2
6-cyclobutyl-5-methoxypyridin-3-amine 6-cyclobutyl-5-methoxypyridin-3-amine 2294947-49-0 C10H14N2O
5-(2,4-dibromo-1H-imidazol-1-yl)pyrimidine 5-(2,4-dibromo-1H-imidazol-1-yl)pyrimidine 2294950-29-9 C7H4Br2N4
3-(2,5-dibromo-1H-imidazol-1-yl)pyridine 3-(2,5-dibromo-1H-imidazol-1-yl)pyridine 2294945-16-5 C8H5Br2N3
6,6'-bis(trifluoromethyl)-[2,2'-bipyridin]-4-amine 6,6'-bis(trifluoromethyl)-[2,2'-bipyridin]-4-amine 2294947-95-6 C12H7F6N3
1-cyclobutyl-5-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-cyclobutyl-5-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364585-55-5 C12H19BFN3O2
1-cyclobutyl-5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-cyclobutyl-5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364586-04-7 C13H22BN3O3
4-(oxetan-3-yloxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-(oxetan-3-yloxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2364585-50-0 C14H20BNO4
2-(azetidin-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2-(azetidin-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 1350755-39-3 C12H19BN2O2S
5-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyrimidine 5-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyrimidine 2460671-97-8 C13H16BFN4O2
1-cyclopropyl-5-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-cyclopropyl-5-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2460672-21-1 C13H22BN3O2
2-(3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)pyrimidine 2-(3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)pyrimidine 2460672-73-3 C14H19BN4O2
(6-(furan-2-yl)-2-methylpyridin-3-yl)boronic acid (6-(furan-2-yl)-2-methylpyridin-3-yl)boronic acid 2710290-30-3 C10H10BNO3
(6-(1H-imidazol-1-yl)-2-methylpyridin-3-yl)boronic acid (6-(1H-imidazol-1-yl)-2-methylpyridin-3-yl)boronic acid 2710290-36-9 C9H10BN3O2
3-(2,2-difluorocyclopropyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 3-(2,2-difluorocyclopropyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710293-40-4 C14H18BF2NO2
2,4-difluoro-6-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2,4-difluoro-6-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710293-64-2 C12H16BF2NO3
2,4-difluoro-6-(tetrahydro-2H-pyran-4-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2,4-difluoro-6-(tetrahydro-2H-pyran-4-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710293-79-9 C16H22BF2NO3
1-(2,2-difluorocyclopropyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-(2,2-difluorocyclopropyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2710293-84-6 C11H16BF2N3O2
2-((1-methylazetidin-3-yl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-((1-methylazetidin-3-yl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710294-01-0 C15H23BN2O3
4-((tetrahydro-2H-pyran-2-yl)methoxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-((tetrahydro-2H-pyran-2-yl)methoxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710294-17-8 C17H26BNO4
4-(difluoromethyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-(difluoromethyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710294-39-4 C12H16BF2NO2
4-(bicyclo[1.1.1]pentan-1-yl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-(bicyclo[1.1.1]pentan-1-yl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710295-74-0 C16H22BNO2
2-(3-methylbicyclo[1.1.1]pentan-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 2-(3-methylbicyclo[1.1.1]pentan-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 2710295-96-6 C14H22BN3O2
2-(pyrimidin-4-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole 2-(pyrimidin-4-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole 2710297-48-4 C13H16BN3O3
2-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole 2-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole 2710297-54-2
6-(difluoromethyl)-3-fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 6-(difluoromethyl)-3-fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710297-92-8 C12H15BF3NO2
6-(difluoromethyl)-3-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 6-(difluoromethyl)-3-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710297-94-0 C13H18BF2NO3
1-(tetrahydrofuran-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-(tetrahydrofuran-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2710298-19-2 C12H20BN3O3
2-(4-fluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 2-(4-fluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 2710298-63-6 C14H17BFN3O2
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(4-(trifluoromethyl)phenyl)-2H-1,2,3-triazole 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(4-(trifluoromethyl)phenyl)-2H-1,2,3-triazole 2710298-68-1 C15H17BF3N3O2
3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazol-2-yl)pyridazine 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazol-2-yl)pyridazine 2710298-82-9 C12H16BN5O2
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-3-yl)-2H-1,2,3-triazole 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-3-yl)-2H-1,2,3-triazole 2710298-87-4 C12H16BN3O2S
1-ethyl-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-ethyl-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1657007-71-0 C11H20BN3O2
6-cyclobutyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine 6-cyclobutyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine
3-ethyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine 3-ethyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine
3-cyclopentyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine 3-cyclopentyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine
tert-butyl 2-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4H-1,4-oxazine-4-carboxylate tert-butyl 2-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4H-1,4-oxazine-4-carboxylate
4-isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole-2-carbonitrile 4-isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole-2-carbonitrile
tert-butyl 3-(4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)morpholine-4-carboxylate tert-butyl 3-(4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)morpholine-4-carboxylate
tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine-4-carboxylate tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine-4-carboxylate
4-methyl-2-(oxetan-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 4-methyl-2-(oxetan-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole
4-fluoro-2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 4-fluoro-2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole
4-cyclopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7H-pyrrolo[2,3-d]pyrimidine 4-cyclopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7H-pyrrolo[2,3-d]pyrimidine
4-cyclopropyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)pyridine 4-cyclopropyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)pyridine
tert-butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,7-dihydro-6H-pyrrolo[3,4-b]pyridine-6-carboxylate tert-butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,7-dihydro-6H-pyrrolo[3,4-b]pyridine-6-carboxylate
2-benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 2-benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole
5-fluoro-1-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 5-fluoro-1-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364586-39-8 C11H19BFN3O2
(5-fluoro-2-(methoxy-d3)pyridin-4-yl-3,6-d2)boronic acid (5-fluoro-2-(methoxy-d3)pyridin-4-yl-3,6-d2)boronic acid 2368221-14-9 C6H2BD5FNO3
(6-(difluoromethyl)pyridin-3-yl-2,4,5-d3)boronic acid (6-(difluoromethyl)pyridin-3-yl-2,4,5-d3)boronic acid 2710297-87-1 C6H3BD3F2NO2
Poly urethane Poly urethane 51852-81-4 C16H22N2O5
3,5-diphenyloxazole 3,5-diphenyloxazole 2039-49-8 C15H11NO
6-M-tolylpyridin-3-ylamine 6-M-tolylpyridin-3-ylamine 893640-46-5 C12H12N2
1-(4-Bromophenyl)-1H-pyrazole 1-(4-Bromophenyl)-1H-pyrazole 13788-92-6 C9H7BrN2
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