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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-2-fluoro-6-(3-methoxyphenyl)pyridine 3-bromo-2-fluoro-6-(3-methoxyphenyl)pyridine 2600400-74-4 C12H9BrFNO
4-(5-bromo-6-fluoropyridin-2-yl)benzonitrile 4-(5-bromo-6-fluoropyridin-2-yl)benzonitrile 2600399-90-2 C12H6BrFN2
3-bromo-6-isopropyl-2-methylpyridine 3-bromo-6-isopropyl-2-methylpyridine 2600400-61-9 C9H12BrN
5,7-dibromoimidazo[1,2-a]pyridine 5,7-dibromoimidazo[1,2-a]pyridine 2645419-55-0 C7H4Br2N2
4-bromo-2-methyl-6-(oxetan-3-yl)pyridine 4-bromo-2-methyl-6-(oxetan-3-yl)pyridine 2645419-57-2 C9H10BrNO
2-bromo-4-(2,2-difluorocyclopropyl)pyridine 2-bromo-4-(2,2-difluorocyclopropyl)pyridine 2645413-53-0 C8H6BrF2N
3-chloro-6-(2,2-difluorocyclopropyl)pyridazine 3-chloro-6-(2,2-difluorocyclopropyl)pyridazine 2298735-64-3 C7H5ClF2N2
2-(tert-butyl)-6-chloro-4-methylpyridine 2-(tert-butyl)-6-chloro-4-methylpyridine 2645419-01-6 C10H14ClN
3-bromo-2-fluoro-5-methylpyridin-4-amine 3-bromo-2-fluoro-5-methylpyridin-4-amine 2645416-38-0 C6H6BrFN2
2-bromo-6-(oxetan-2-ylmethoxy)pyridine 2-bromo-6-(oxetan-2-ylmethoxy)pyridine 2645416-94-8 C9H10BrNO2
4-bromo-1-(thiophen-2-yl)-1H-1,2,3-triazole 4-bromo-1-(thiophen-2-yl)-1H-1,2,3-triazole 2256748-80-6 C6H4BrN3S
N-benzyl-4-fluoropyridin-2-amine N-benzyl-4-fluoropyridin-2-amine 1880147-71-6 C12H11FN2
4-(4-bromo-1H-1,2,3-triazol-1-yl)thiazole 4-(4-bromo-1H-1,2,3-triazol-1-yl)thiazole 2256748-84-0 C5H3BrN4S
1-(pyrimidin-4-yl)-1H-1,2,3-triazol-4-amine 1-(pyrimidin-4-yl)-1H-1,2,3-triazol-4-amine 1487014-34-5 C6H6N6
2-bromo-4-(3-methylbicyclo[1.1.1]pentan-1-yl)pyridine 2-bromo-4-(3-methylbicyclo[1.1.1]pentan-1-yl)pyridine 2697162-34-6 C11H12BrN
2-(bicyclo[1.1.1]pentan-1-yl)-4-bromopyrimidine 2-(bicyclo[1.1.1]pentan-1-yl)-4-bromopyrimidine 2697155-22-7 C9H9BrN2
4-bromo-2-(3-methylbicyclo[1.1.1]pentan-1-yl)thiazole 4-bromo-2-(3-methylbicyclo[1.1.1]pentan-1-yl)thiazole 2697155-68-1 C9H10BrNS
2-(5-bromopyrimidin-2-yl)oxazole 2-(5-bromopyrimidin-2-yl)oxazole 1240616-04-9 C7H4BrN3O
1-(2-methoxypyridin-4-yl)-1H-1,2,3-triazol-4-amine 1-(2-methoxypyridin-4-yl)-1H-1,2,3-triazol-4-amine 2256754-50-2 C8H9N5O
3-bromo-2-(difluoromethyl)pyridin-4-ol 3-bromo-2-(difluoromethyl)pyridin-4-ol 1805300-08-6 C6H4BrF2NO
tert-butyl 3-(4-amino-6-methoxypyridin-2-yl)piperidine-1-carboxylate tert-butyl 3-(4-amino-6-methoxypyridin-2-yl)piperidine-1-carboxylate 2768657-54-9 C16H25N3O3
8-cyclopropylquinoxalin-5-ol 8-cyclopropylquinoxalin-5-ol 2806729-21-3 C11H10N2O
2-(4-(oxetan-3-yl)phenyl)morpholine 2-(4-(oxetan-3-yl)phenyl)morpholine 1894965-02-6 C13H17NO2
2-(2-bromopyridin-4-yl)tetrahydro-4H-pyran-4-one 2-(2-bromopyridin-4-yl)tetrahydro-4H-pyran-4-one 2806720-80-7 C10H10BrNO2
2-(2-chloropyrimidin-4-yl)tetrahydro-4H-pyran-4-one 2-(2-chloropyrimidin-4-yl)tetrahydro-4H-pyran-4-one 2806729-69-9 C9H9ClN2O2
2-(5-aminopyrimidin-2-yl)tetrahydro-4H-pyran-4-one 2-(5-aminopyrimidin-2-yl)tetrahydro-4H-pyran-4-one 2806729-31-5 C9H11N3O2
2-(5-aminopyridin-3-yl)tetrahydro-4H-pyran-4-one 2-(5-aminopyridin-3-yl)tetrahydro-4H-pyran-4-one 2806720-12-5 C10H12N2O2
3-(2-hydroxypyridin-4-yl)tetrahydro-4H-pyran-4-one 3-(2-hydroxypyridin-4-yl)tetrahydro-4H-pyran-4-one 2806729-72-4 C10H11NO3
3-(6-bromopyridin-3-yl)tetrahydro-4H-pyran-4-one 3-(6-bromopyridin-3-yl)tetrahydro-4H-pyran-4-one 2806729-37-1 C10H10BrNO2
3-bromo-6-(tert-butyl)-2-(trifluoromethyl)pyridine 3-bromo-6-(tert-butyl)-2-(trifluoromethyl)pyridine 2891510-73-7 C10H11BrF3N
4-bromo-1-(pyridin-2-yl)-1H-imidazol-2-amine 4-bromo-1-(pyridin-2-yl)-1H-imidazol-2-amine 2294947-71-8 C8H7BrN4
6-bromo-3-cyclobutyl-2-(trifluoromethyl)pyridine 6-bromo-3-cyclobutyl-2-(trifluoromethyl)pyridine 2891511-89-8 C10H9BrF3N
4-bromo-1-(pyrimidin-2-yl)-1H-imidazol-2-amine 4-bromo-1-(pyrimidin-2-yl)-1H-imidazol-2-amine 2294946-80-6 C7H6BrN5
5-bromo-2-(piperidin-4-yl)pyridin-4-ol 5-bromo-2-(piperidin-4-yl)pyridin-4-ol 2891518-82-2 C10H13BrN2O
5-bromo-2-(pyrrolidin-3-yl)pyridin-4-amine 5-bromo-2-(pyrrolidin-3-yl)pyridin-4-amine 2891518-93-5 C9H12BrN3
tert-butyl 6-bromo-5-(thiophen-2-yl)-2,3-dihydro-4H-1,4-oxazine-4-carboxylate tert-butyl 6-bromo-5-(thiophen-2-yl)-2,3-dihydro-4H-1,4-oxazine-4-carboxylate 2891518-28-6 C13H16BrNO3S
tert-butyl 6-iodo-5-isopropyl-2,3-dihydro-4H-1,4-oxazine-4-carboxylate tert-butyl 6-iodo-5-isopropyl-2,3-dihydro-4H-1,4-oxazine-4-carboxylate 2891521-19-8 C12H20INO3
tert-butyl 3-(6-bromopyridin-2-yl)morpholine-4-carboxylate tert-butyl 3-(6-bromopyridin-2-yl)morpholine-4-carboxylate 2891519-00-7 C14H19BrN2O3
tert-butyl 3-(5-aminopyridin-3-yl)morpholine-4-carboxylate tert-butyl 3-(5-aminopyridin-3-yl)morpholine-4-carboxylate 2891518-14-0 C14H21N3O3
2-bromo-3-cyclopropylpyridin-4-amine 2-bromo-3-cyclopropylpyridin-4-amine 2294946-89-5 C8H9BrN2
1-(5-chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-ol 1-(5-chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-ol 1610563-71-7 C12H17ClN2O2
3-bromo-6-chloro-4-fluoro-2-iodopyridine 3-bromo-6-chloro-4-fluoro-2-iodopyridine 2757603-67-9 C5HBrClFIN
4,4'-dichloro-6,6'-dimethyl-2,2'-bipyridine 4,4'-dichloro-6,6'-dimethyl-2,2'-bipyridine 2952895-41-7 C12H10Cl2N2
2,6-dibromo-4-propylpyridin-3-amine 2,6-dibromo-4-propylpyridin-3-amine
2-bromo-3-cyclopropylpyridin-4-ol 2-bromo-3-cyclopropylpyridin-4-ol 2294946-19-1 C8H8BrNO
5-cyclopentyl-6-methoxypyridin-3-amine 5-cyclopentyl-6-methoxypyridin-3-amine 2294950-20-0 C11H16N2O
5-bromo-2-cyclobutyl-3-methoxypyridine 5-bromo-2-cyclobutyl-3-methoxypyridine 2294945-75-6 C10H12BrNO
4-(2,4-dibromo-1H-imidazol-1-yl)pyrimidine 4-(2,4-dibromo-1H-imidazol-1-yl)pyrimidine 2294950-11-9 C7H4Br2N4
2-(5-bromo-2-methoxy-1H-imidazol-1-yl)pyridine 2-(5-bromo-2-methoxy-1H-imidazol-1-yl)pyridine 2294957-68-7 C9H8BrN3O
4-bromo-6,6'-bis(trifluoromethyl)-2,2'-bipyridine 4-bromo-6,6'-bis(trifluoromethyl)-2,2'-bipyridine 2294949-08-7 C12H5BrF6N2
4-(azetidin-1-yl)-2-bromopyridine 4-(azetidin-1-yl)-2-bromopyridine 1936404-36-2 C8H9BrN2
5-fluoro-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 5-fluoro-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364586-36-5 C9H15BFN3O2
1-cyclopentyl-5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-cyclopentyl-5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364585-91-9 C14H24BN3O3
5-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 5-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364587-01-7 C10H18BN3O2
4-(tert-butyl)-2-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-(tert-butyl)-2-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2460671-43-4 C16H26BNO2
2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyrimidine 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyrimidine 2460672-08-4 C13H16BFN4O2
5-cyclopropyl-1-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 5-cyclopropyl-1-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2460672-36-8 C13H22BN3O2
5-(3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)pyrimidine 5-(3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)pyrimidine 2460671-64-9 C14H19BN4O2
(2-methyl-6-(o-tolyl)pyridin-3-yl)boronic acid (2-methyl-6-(o-tolyl)pyridin-3-yl)boronic acid 2710290-27-8 C13H14BNO2
(2-methyl-6-(1H-pyrazol-1-yl)pyridin-3-yl)boronic acid (2-methyl-6-(1H-pyrazol-1-yl)pyridin-3-yl)boronic acid 2710290-35-8 C9H10BN3O2
2-(2,2-difluoro-1-methylcyclopropyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(2,2-difluoro-1-methylcyclopropyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710293-39-1 C15H20BF2NO2
2-(2,2-difluorocyclopropyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(2,2-difluorocyclopropyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710293-44-8 C14H18BF2NO2
6-cyclohexyl-2,4-difluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 6-cyclohexyl-2,4-difluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710293-78-8 C17H24BF2NO2
2-((1-methylazetidin-3-yl)oxy)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-((1-methylazetidin-3-yl)oxy)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710294-00-9 C15H23BN2O3
4-((tetrahydrofuran-2-yl)methoxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-((tetrahydrofuran-2-yl)methoxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710294-16-7 C16H24BNO4
2-(oxetan-2-ylmethoxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2-(oxetan-2-ylmethoxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2710294-30-5 C13H20BNO4S
5-(difluoromethyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 5-(difluoromethyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710294-35-0 C12H16BF2NO2
2-(3-methylbicyclo[1.1.1]pentan-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(3-methylbicyclo[1.1.1]pentan-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710295-68-2 C17H24BNO2
3-(3-methylbicyclo[1.1.1]pentan-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 3-(3-methylbicyclo[1.1.1]pentan-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2710295-73-9 C17H24BNO2
2-(bicyclo[1.1.1]pentan-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 2-(bicyclo[1.1.1]pentan-1-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 2710295-95-5 C13H20BN3O2
2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)oxazole 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)oxazole 2710296-17-4 C12H15BN2O3S
2-(pyrimidin-5-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole 2-(pyrimidin-5-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole 2710297-47-3 C13H16BN3O3
3-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 3-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 2710297-95-1 C13H17BF3NO3
1-(difluoromethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-(difluoromethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2710297-91-7 C9H14BF2N3O2
1-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2710298-18-1 C12H20BN3O3
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(3-(trifluoromethyl)phenyl)-2H-1,2,3-triazole 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(3-(trifluoromethyl)phenyl)-2H-1,2,3-triazole 2710298-67-0 C15H17BF3N3O2
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-2-yl)-2H-1,2,3-triazole 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-2-yl)-2H-1,2,3-triazole 2710298-86-3 C12H16BN3O2S
3-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine 3-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine
6-isopropyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine 6-isopropyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine
tert-butyl 2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridin-2-yl)morpholine-4-carboxylate tert-butyl 2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridin-2-yl)morpholine-4-carboxylate
3-(oxetan-3-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine 3-(oxetan-3-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine
tert-butyl 5-cyclopropyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4H-1,4-oxazine-4-carboxylate tert-butyl 5-cyclopropyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4H-1,4-oxazine-4-carboxylate
methyl 4-isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole-2-carboxylate methyl 4-isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole-2-carboxylate
tert-butyl 3-(4-cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)morpholine-4-carboxylate tert-butyl 3-(4-cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)morpholine-4-carboxylate
tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine-4-carboxylate tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine-4-carboxylate
2-cyclopropyl-4-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 2-cyclopropyl-4-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole
4-cyclopropyl-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole 4-cyclopropyl-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole
4-chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7H-pyrrolo[2,3-d]pyrimidine 4-chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7H-pyrrolo[2,3-d]pyrimidine
4-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)pyridine 4-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)pyridine
N,N-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole-2-sulfonamide N,N-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazole-2-sulfonamide
5-bromo-1-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 5-bromo-1-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2364586-27-4 C11H19BBrN3O2
(5-fluoro-2-(methyl-d3)pyridin-4-yl-3,6-d2)boronic acid (5-fluoro-2-(methyl-d3)pyridin-4-yl-3,6-d2)boronic acid 2368221-13-8 C6H2BD5FNO2
(6-(difluoromethyl-d)pyridin-3-yl-2,4,5-d3)boronic acid (6-(difluoromethyl-d)pyridin-3-yl-2,4,5-d3)boronic acid 2710297-86-0 C6H2BD4F2NO2
6-(4-Fluorophenyl)-nicotinic acid 6-(4-Fluorophenyl)-nicotinic acid 223127-24-0 C12H8FNO2
4-Bromo-1-(4-fluorophenyl)-1H-pyrazole 4-Bromo-1-(4-fluorophenyl)-1H-pyrazole 957062-56-5 C9H6BrFN2
5-bromo-1-methyl-1,2,4-triazole 5-bromo-1-methyl-1,2,4-triazole 16681-72-4 C3H4BrN3
3,5-Dibromo-2-hydroxy-4-methylpyridine 3,5-Dibromo-2-hydroxy-4-methylpyridine 89581-53-3 C6H5Br2NO
3-Methyl-5-nitroquinoline 3-Methyl-5-nitroquinoline 103754-53-6 C10H8N2O2
2,3-DIHYDRO-1-BENZOFURAN-7-YLMETHYLAMINE 2,3-DIHYDRO-1-BENZOFURAN-7-YLMETHYLAMINE 361393-65-9 C9H11NO
5,6,7,8-TETRAHYDRO-4H-CYCLOHEPTA[B]THIOPHENE-2-CARBOXYLIC ACID 5,6,7,8-TETRAHYDRO-4H-CYCLOHEPTA[B]THIOPHENE-2-CARBOXYLIC ACID 40133-08-2 C10H12O2S
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