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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
2-bromo-5-(4-(trifluoromethyl)phenyl)thiazole 2-bromo-5-(4-(trifluoromethyl)phenyl)thiazole 1215073-90-7 C10H5BrF3NS
2-Chlorochrysene 2-Chlorochrysene 55120-49-5 C18H11Cl
1,3-Dibenzyl-1H-benzo[d]imidazol-3-ium chloride 1,3-Dibenzyl-1H-benzo[d]imidazol-3-ium chloride 36339-13-6 C21H19ClN2
4-(4-Bromopyridin-3-yl)morpholine 4-(4-Bromopyridin-3-yl)morpholine 1563533-04-9 C9H11BrN2O
2,4-Dibromo-3-(trifluoromethyl)pyridine 2,4-Dibromo-3-(trifluoromethyl)pyridine 1227582-03-7 C6H2Br2F3N
4-Bromo-2-(2-fluorophenyl)pyridine 4-Bromo-2-(2-fluorophenyl)pyridine 1142194-21-5 C11H7BrFN
2-(5-(4-Fluorophenyl)furan-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(5-(4-Fluorophenyl)furan-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1396753-07-3 C16H18BFO3
2-AMINO-3-METHYL-3H-IMIDAZO[4,5-F]QUINOLINE 2-AMINO-3-METHYL-3H-IMIDAZO[4,5-F]QUINOLINE 76180-96-6 C11H10N4
(2S)-1-Boc-4,4-difluoro-2-methylpyrrolidine-2-carboxylic acid (2S)-1-Boc-4,4-difluoro-2-methylpyrrolidine-2-carboxylic acid 1194032-23-9 C11H17F2NO4
4-(2-Hydrazinylethyl)morpholine dihydrochloride 4-(2-Hydrazinylethyl)morpholine dihydrochloride 874-82-8 C6H17Cl2N3O
3-((2R)pyrrolidin-2-yl)-5-fluoro-2-methoxypyridine 3-((2R)pyrrolidin-2-yl)-5-fluoro-2-methoxypyridine 1213093-30-1 C10H13FN2O
3-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzoic acid 3-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzoic acid 176389-60-9 C9H5F3N2O2
4-(5-pyrimidyl)-piperidine 4-(5-pyrimidyl)-piperidine 733738-49-3 C9H13N3
pyrazolo[1,5-a]pyrimidin-3-ylmethanamine pyrazolo[1,5-a]pyrimidin-3-ylmethanamine 933749-82-7 C7H8N4
3-Isopropyl-5-methyl-4H-[1,2,4]triazole 3-Isopropyl-5-methyl-4H-[1,2,4]triazole 87268-63-1 C6H11N3
9-(4,6-dichloro-[1,3,5]triazin-2-yl)-carbazole 9-(4,6-dichloro-[1,3,5]triazin-2-yl)-carbazole 24209-95-8 C15H8Cl2N4
2-(3-pyridyl)imidazo[4,5-f]-1,10-phenanthroline 2-(3-pyridyl)imidazo[4,5-f]-1,10-phenanthroline 1190270-77-9 C18H11N5
8H-benzo[4,5]thieno[2,3-c]carbazole 8H-benzo[4,5]thieno[2,3-c]carbazole 1255309-17-1 C18H11NS
N-(4-cyanophenyl)-4-pyridinecarboxamide N-(4-cyanophenyl)-4-pyridinecarboxamide 876522-38-2 C13H9N3O
(6-(furan-3-yl)pyridin-3-yl)boronic acid (6-(furan-3-yl)pyridin-3-yl)boronic acid 2225175-42-6 C9H8BNO3
(6-(thiophen-2-yl)pyridin-3-yl)boronic acid (6-(thiophen-2-yl)pyridin-3-yl)boronic acid 2225169-76-4 C9H8BNO2S
2-(1,4-dioxan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(1,4-dioxan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223002-75-1 C15H22BNO4
2-(2-chlorophenyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(2-chlorophenyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223012-92-6 C17H19BClNO2
2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4-(p-tolyl)pyridine 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4-(p-tolyl)pyridine 1402226-77-0 C18H22BNO3
2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(thiophen-3-yl)pyridine 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(thiophen-3-yl)pyridine 1402240-65-6 C15H18BNO2S
2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(tetrahydrofuran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223005-59-0 C15H22BNO3
4-((tetrahydrofuran-3-yl)oxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-((tetrahydrofuran-3-yl)oxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 1402166-40-8 C15H22BNO4
4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl)morpholine 4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl)morpholine 1402166-33-9 C15H23BN2O3
4-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)thiazole 4-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)thiazole 1402165-89-2 C14H17BN2O2S
4-cyclobutoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-cyclobutoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 1355393-48-4 C15H22BNO3
4-ethoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-ethoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223052-66-0 C13H20BNO3
5-(2-methylpiperidin-1-yl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 5-(2-methylpiperidin-1-yl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 1402174-00-8 C17H27BN2O2
5-(4-methyl-1H-pyrazol-1-yl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 5-(4-methyl-1H-pyrazol-1-yl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 1402240-26-9 C15H20BN3O2
5-(Tetrahydropyran-3-yl)pyridine-2-boronic acid pinacol ester 5-(Tetrahydropyran-3-yl)pyridine-2-boronic acid pinacol ester 1402166-25-9 C16H24BNO3
5-cyclopentyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 5-cyclopentyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223040-75-1 C16H24BNO2
6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4'-bipyridine 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4'-bipyridine 1417306-71-8 C16H19BN2O2
6-(Tetrahydropyran-4-yl)pyridine-2-boronic acid pinacol ester 6-(Tetrahydropyran-4-yl)pyridine-2-boronic acid pinacol ester 1402166-23-7 C16H26BNO4
tert-butyl 2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine-4-carboxylate tert-butyl 2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine-4-carboxylate 2223009-17-2 C20H31BN2O5
tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate 2223005-52-3 C21H33BN2O4
5-Methyl-1H-imidazole-4-carbaldehyde 5-Methyl-1H-imidazole-4-carbaldehyde 68282-53-1 C5H6N2O
2-AMINO-3,8-DIMETHYLIMIDAZO[4,5-F]QUINOXALINE 2-AMINO-3,8-DIMETHYLIMIDAZO[4,5-F]QUINOXALINE 77500-04-0 C11H11N5
2-OXO-2,3-DIHYDRO-1H-BENZOIMIDAZOLE-5-CARBOXYLIC ACID 2-OXO-2,3-DIHYDRO-1H-BENZOIMIDAZOLE-5-CARBOXYLIC ACID 23814-14-4 C8H6N2O3
5-bromo-2-cyclopentyloxy-1,3-thiazole 5-bromo-2-cyclopentyloxy-1,3-thiazole 1086382-68-4 C8H10BrNOS
5-bromo-2-cyclobutyloxy-1,3-thiazole 5-bromo-2-cyclobutyloxy-1,3-thiazole 1086382-66-2 C7H8BrNOS
5-fluoro-2-(2-pyrrolidinyl)-1H-benzimidazole dihydrochloride 5-fluoro-2-(2-pyrrolidinyl)-1H-benzimidazole dihydrochloride 1185561-70-9 C11H14Cl2FN3
5-Hydroxy-1H-benzoimidazole-4-carboxylic acid 5-Hydroxy-1H-benzoimidazole-4-carboxylic acid 1378261-13-2 C8H6N2O3
4-Bromo-2-isopropyl-1,3-thiazole 4-Bromo-2-isopropyl-1,3-thiazole 376585-97-6 C6H8BrNS
Adenosine, 8-bromo-, cyclic 2',3'-(hydrogen phosphate) Adenosine, 8-bromo-, cyclic 2',3'-(hydrogen phosphate) 42391-15-1 C10H11BrN5O6P
3,5-Pyridinediamine,N,N-dimethyl-(9CI) 3,5-Pyridinediamine,N,N-dimethyl-(9CI) 127983-73-7 C7H11N3
2-Pyrrolidinone,3-(hydroxymethyl)-1-methyl-(9CI) 2-Pyrrolidinone,3-(hydroxymethyl)-1-methyl-(9CI) 577780-05-3 C6H11NO2
1H-Imidazole-1-aceticacid,alpha,2-dimethyl-(9CI) 1H-Imidazole-1-aceticacid,alpha,2-dimethyl-(9CI) 782414-84-0 C7H10N2O2
2-Thiophenamine,5-(1-methylethyl)-(9CI) 2-Thiophenamine,5-(1-methylethyl)-(9CI) 106971-18-0 C7H11NS
5-Bromo-1H-1,2,4-triazol-3-amine 5-Bromo-1H-1,2,4-triazol-3-amine 389122-08-1 C2H3BrN4
1H-Benzimidazole-2-methanol,5-chloro-1-methyl-(9CI) 1H-Benzimidazole-2-methanol,5-chloro-1-methyl-(9CI) 380177-22-0 C9H9ClN2O
2H-Pyrano[3,2-g]quinoline-9(6H)-butanoic acid, 7,8-dihydro-4,6,8,8-tetramethyl-2-oxo-, 2,5-dioxo-1-pyrrolidinyl ester 2H-Pyrano[3,2-g]quinoline-9(6H)-butanoic acid, 7,8-dihydro-4,6,8,8-tetramethyl-2-oxo-, 2,5-dioxo-1-pyrrolidinyl ester 914203-48-8 C24H28N2O6
2(1H)-Pyridinone,4-(1-methylethyl)-(9CI) 2(1H)-Pyridinone,4-(1-methylethyl)-(9CI) 408335-38-6 C8H11NO
1H-Pyrrol-3-amine,1-ethyl-(9CI) 1H-Pyrrol-3-amine,1-ethyl-(9CI) 216591-46-7 C6H10N2
2-Pyridinecarboxamide,N-2-pyrimidinyl-(9CI) 2-Pyridinecarboxamide,N-2-pyrimidinyl-(9CI) 848308-21-4 C10H8N4O
[2,2'-Bipyridine]-4-methanol, 6'-bromo- [2,2'-Bipyridine]-4-methanol, 6'-bromo- 1185315-96-1 C11H9BrN2O
2,3-dibromopyridine-4,5,6-d3 2,3-dibromopyridine-4,5,6-d3 2363781-82-0 C5Br2D3N
2-Bromo-N-ethyl-5-methoxybenzenamine 2-Bromo-N-ethyl-5-methoxybenzenamine 1491754-06-3 C9H12BrNO
2-Pyridine-3,5,6-d3-carboxylic acid, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester 2-Pyridine-3,5,6-d3-carboxylic acid, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester 2368223-36-1 C13H15D3BNO4
2-cyclopropyl-3-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-cyclopropyl-3-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2304817-99-8 C15H22BNO3
1-Cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 1-Cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole 2710298-29-4 C11H18BN3O2
2-(Difluoromethyl)-6-methyl-4-pyridinamine 2-(Difluoromethyl)-6-methyl-4-pyridinamine 1803125-79-2 C7H8F2N2
4,4,5,5-Tetramethyl-2-[3-(2-thienyl)phenyl]-1,3,2-dioxaborolane 4,4,5,5-Tetramethyl-2-[3-(2-thienyl)phenyl]-1,3,2-dioxaborolane 1415241-99-4 C16H19BO2S
3,5-Dibromo-2-(cyclohexyloxy)pyridine 3,5-Dibromo-2-(cyclohexyloxy)pyridine 1289110-80-0 C11H13Br2NO
2-(4-Bromo-1H-pyrazol-1-yl)-6-fluoropyridine 2-(4-Bromo-1H-pyrazol-1-yl)-6-fluoropyridine 1247832-05-8 C8H5BrFN3
4-Cyclohexyl-2-fluoropyridine 4-Cyclohexyl-2-fluoropyridine 2242760-86-5 C11H14FN
N-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine N-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine 2710290-85-8 C12H16BD3N2O2
5-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)pyrimidine 5-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)pyrimidine 2223011-50-3 C14H17BN4O2
4-(4-Ethylphenyl)pyridine-2-boronic acid pinacol ester 4-(4-Ethylphenyl)pyridine-2-boronic acid pinacol ester 2223043-81-8 C19H24BNO2
4-Amino-2-(sec-butyl)pyrimidine-5-boronic acid pinacol ester 4-Amino-2-(sec-butyl)pyrimidine-5-boronic acid pinacol ester 2223009-82-1 C14H24BN3O2
2-Amino-4-(pyridin-3-yl)pyrimidine-5-boronic acid pinacol ester 2-Amino-4-(pyridin-3-yl)pyrimidine-5-boronic acid pinacol ester 2223011-54-7 C15H19BN4O2
3-(oxetan-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 3-(oxetan-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223011-99-0 C14H20BNO3
tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)azetidine-1-carboxylate tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)azetidine-1-carboxylate 2223012-03-9 C18H28BN3O4
2-(oxetan-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 2-(oxetan-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 2223040-35-3 C15H19BF3NO3
tert-butyl 2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)pyrrolidine-1-carboxylate tert-butyl 2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)pyrrolidine-1-carboxylate 2223005-21-6 C19H30BNO4S
2-(3-cyclopropyl-4-(tetrahydrofuran-3-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(3-cyclopropyl-4-(tetrahydrofuran-3-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2223004-67-7 C19H27BO3
2-(3-cyclopropyl-5-(tetrahydrofuran-3-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(3-cyclopropyl-5-(tetrahydrofuran-3-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2223003-13-0 C19H27BO3
2-(1,3-dioxan-5-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(1,3-dioxan-5-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2241866-34-0 C15H22BNO4
2-(1,3-dioxan-5-yl)-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(1,3-dioxan-5-yl)-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2241866-38-4 C15H21BFNO4
tert-Butyl 3-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridin-4-yl)piperidine-1-carboxylate tert-Butyl 3-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridin-4-yl)piperidine-1-carboxylate 2223005-46-5 C22H32BF3N2O4
4-Cyclopropyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 4-Cyclopropyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 2223049-05-4 C15H19BF3NO2
4-Cyclobutyl-2-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-Cyclobutyl-2-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223041-90-3 C15H21BFNO2
1-(5-Chloro-2-pyrimidyl)pyrazole-4-boronic acid pinacol ester 1-(5-Chloro-2-pyrimidyl)pyrazole-4-boronic acid pinacol ester 1402174-54-2 C13H16BClN4O2
1-(2-Chloro-4-pyridyl)imidazole-4-boronic acid pinacol ester 1-(2-Chloro-4-pyridyl)imidazole-4-boronic acid pinacol ester 2223045-07-4 C14H17BClN3O2
1-(6-Amino-2-pyridyl)imidazole-4-boronic acid pinacol ester 1-(6-Amino-2-pyridyl)imidazole-4-boronic acid pinacol ester 1402240-43-0 C14H19BN4O2
3-Methyl-1-(6-chloropyridin-3-yl)-1H-pyrazole-4-boronic acid pinacol ester 3-Methyl-1-(6-chloropyridin-3-yl)-1H-pyrazole-4-boronic acid pinacol ester 2223054-44-0 C15H19BClN3O2
1-(4-PYRIDINYL)-1H-PYRAZOL-3-YLBORONIC ACID PINACOL ESTER 1-(4-PYRIDINYL)-1H-PYRAZOL-3-YLBORONIC ACID PINACOL ESTER 2223047-58-1
2-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine 2-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine 2223003-25-4 C15H23BN2O3
1-CYCLOPENTYL-4-(TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-1,2,3-TRIAZOLE 1-CYCLOPENTYL-4-(TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-1,2,3-TRIAZOLE 2223054-73-5 C13H22BN3O2
1-(OXAN-3-YL)-4-(TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-1,2,3-TRIAZOLE 1-(OXAN-3-YL)-4-(TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-1,2,3-TRIAZOLE 2223010-04-4 C13H22BN3O3
4-Chloro-2-(iso-propyl)pyrimidine-5-boronic acid pinacol ester 4-Chloro-2-(iso-propyl)pyrimidine-5-boronic acid pinacol ester 2223042-62-2 C13H20BClN2O2
4-Chloro-2-(pyrrolidino)pyrimidine-5-boronic acid pinacol ester 4-Chloro-2-(pyrrolidino)pyrimidine-5-boronic acid pinacol ester 2223042-86-0 C14H21BClN3O2
4-Chloro-2-(4-methylpiperidin-1-yl)pyrimidine-5-boronic acid pinacol ester 4-Chloro-2-(4-methylpiperidin-1-yl)pyrimidine-5-boronic acid pinacol ester 2223039-27-6 C16H25BClN3O2
2-(Thiazol-2-yl)pyridine-5-boronic acid pinacol ester 2-(Thiazol-2-yl)pyridine-5-boronic acid pinacol ester 1630060-87-5 C14H17BN2O2S
2-(4-Aminoimidazol-1-yl)pyrimidine-5-boronic acid pinacol ester 2-(4-Aminoimidazol-1-yl)pyrimidine-5-boronic acid pinacol ester 1402240-57-6 C13H18BN5O2
6-Bromo-6'-methoxycarbonyl-2,2'-bipyridine 6-Bromo-6'-methoxycarbonyl-2,2'-bipyridine 1185307-59-8 C12H9BrN2O2
6-Bromo-3'-cyano-2,2'-bipyridine 6-Bromo-3'-cyano-2,2'-bipyridine 1185312-43-9 C11H6BrN3
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