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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
Pyridine, 3-(1-azetidinyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 3-(1-azetidinyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1257431-54-1 C14H21BN2O2
Pyrimidine, 5-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiazolyl]- Pyrimidine, 5-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiazolyl]- 1402166-19-1 C13H16BN3O2S
Pyridine, 4,4'-(2,3-dihydrothieno[3,4-b]-1,4-dioxin-5,7-diyl)bis- Pyridine, 4,4'-(2,3-dihydrothieno[3,4-b]-1,4-dioxin-5,7-diyl)bis- 1235864-74-0 C16H12N2O2S
Pyridine, 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiazolyl]- Pyridine, 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiazolyl]- 1402165-94-9 C14H17BN2O2S
2-(4-bromophenyl)benzo[d]oxazole 2-(4-bromophenyl)benzo[d]oxazole 3164-13-4 C13H8BrNO
4-CHLORO-7-NITROQUINAZOLINE 4-CHLORO-7-NITROQUINAZOLINE 19815-17-9 C8H4ClN3O2
3-BROMO-4-(3-(TRIFLUOROMETHYL)PHENYL) PYRIDINE 3-BROMO-4-(3-(TRIFLUOROMETHYL)PHENYL) PYRIDINE 1374665-21-0 C12H7BrF3N
(S)-ALPHA,ALPHA-BIS(4-METHYLPHENYL)-2-PYRROLIDINEMETHANOL (S)-ALPHA,ALPHA-BIS(4-METHYLPHENYL)-2-PYRROLIDINEMETHANOL 131180-52-4 C19H23NO
2-Pyrimidinamine, 4-propyl- (9CI) 2-Pyrimidinamine, 4-propyl- (9CI) 28732-64-1 C7H11N3
2-Quinazolinamine 2-Quinazolinamine 1687-51-0 C8H7N3
4H-1,2,4-Triazole, 3-bromo-4-(tetrahydro-2H-pyran-2-yl)- 4H-1,2,4-Triazole, 3-bromo-4-(tetrahydro-2H-pyran-2-yl)- 2460493-96-1 C7H10BrN3O
1H-Benzimidazole-6-carboxaldehyde, 1-methyl- (9CI) 1H-Benzimidazole-6-carboxaldehyde, 1-methyl- (9CI) 181867-19-6 C9H8N2O
Pyridine, 5-bromo-3-cyclopropyl-2-methoxy- Pyridine, 5-bromo-3-cyclopropyl-2-methoxy- 2294950-12-0 C9H10BrNO
1H-Pyrazole, 1-cyclobutyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1H-Pyrazole, 1-cyclobutyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2223012-59-5 C13H21BN2O2
2,4-Thiazolidinedione-5-d, 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methyl]- 2,4-Thiazolidinedione-5-d, 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methyl]- 1134163-24-8 C19H20N2O3S
(S)-2-AMINOMETHYL-1-N-CBZ-PYRROLIDINE
(S)-2-AMINOMETHYL-1-N-CBZ-PYRROLIDINE 141774-68-7 C13H18N2O2
5-Quinoxalinamine, 8-methyl- 5-Quinoxalinamine, 8-methyl- 2386297-09-0 C9H9N3
Hexamethylol melamine Hexamethylol melamine C9H22N6O6
Pyridine, 2-bromo-3-iodo-4-methoxy- Pyridine, 2-bromo-3-iodo-4-methoxy- 2294949-71-4 C6H5BrINO
Thiazole, 2-(1-azetidinyl)-5-bromo- Thiazole, 2-(1-azetidinyl)-5-bromo- 2363789-95-9 C6H7BrN2S
1H-1,2,3-Triazol-5-amine, 4-cyclopropyl- 1H-1,2,3-Triazol-5-amine, 4-cyclopropyl- 1538768-98-7 C5H8N4
2-Thiazolamine, 5-bromo-4-(3-methylphenyl)- 2-Thiazolamine, 5-bromo-4-(3-methylphenyl)- 1243839-35-1 C10H9BrN2S
2-Thiophenamine, 5-propyl- 2-Thiophenamine, 5-propyl- 1314355-08-2 C7H11NS
5-bromo-2,3-difluoropyridine-4,6-d2 5-bromo-2,3-difluoropyridine-4,6-d2 2460493-90-5 C5BrD2F2N
1-Azetidinecarboxylic acid, 3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazol-2-yl]-, 1,1-dimethylethyl ester 1-Azetidinecarboxylic acid, 3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,2,3-triazol-2-yl]-, 1,1-dimethylethyl ester 1883431-92-2 C16H27BN4O4
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3,5,6-d3-2-amine 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3,5,6-d3-2-amine 2819702-22-0 C11H17BN2O2
5-(methyl-d2)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 5-(methyl-d2)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2819702-36-6 C12H18BNO2
2-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,5,6-d3 2-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-4,5,6-d3 2819702-94-6 C12H18BNO3
tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl-3,4,5-d3)piperidine-1-carboxylate tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl-3,4,5-d3)piperidine-1-carboxylate 2819703-33-6 C21H33BN2O4
tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl-3,5,6-d3)piperidine-1-carboxylate-2,2,3,4,4,5,5,6,6-d9 tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl-3,5,6-d3)piperidine-1-carboxylate-2,2,3,4,4,5,5,6,6-d9 2819703-46-1 C21H33BN2O4
5-methoxy-8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline 5-methoxy-8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline 2819706-61-9 C15H19BN2O3
2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)tetrahydro-4H-pyran-4-one 2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)tetrahydro-4H-pyran-4-one 2819707-11-2 C16H22BNO4
tert-butyl 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazin-3-yl)piperidine-1-carboxylate tert-butyl 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazin-3-yl)piperidine-1-carboxylate 2819707-31-6 C20H32BN3O4
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one-3,5,6-d3 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one-3,5,6-d3 2819705-24-1 C11H16BNO3
methyl 2-cyano-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)benzoate methyl 2-cyano-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)benzoate 2819707-93-0 C16H17BF3NO4
1H-1,2,3-Triazole, 1-bicyclo[1.1.1]pent-1-yl-4-bromo- 1H-1,2,3-Triazole, 1-bicyclo[1.1.1]pent-1-yl-4-bromo- 2697155-25-0 C7H8BrN3
2,2'-Bioxazole, 4,4',5,5'-tetrahydro-4,4'-di-2-naphthalenyl-, (4S,4'S)- 2,2'-Bioxazole, 4,4',5,5'-tetrahydro-4,4'-di-2-naphthalenyl-, (4S,4'S)- 2567868-01-1 C26H20N2O2
1H-1,2,3-Triazole, 5-(3-fluorophenyl)- 1H-1,2,3-Triazole, 5-(3-fluorophenyl)- 1235527-61-3 C8H6FN3
4-CHLORO-5-METHYL-1H-PYRROLO[2,3-B]PYRIDINE 4-CHLORO-5-METHYL-1H-PYRROLO[2,3-B]PYRIDINE 1020056-56-7 C8H7ClN2
1H-1,2,3-Triazole, 5-(2-bromophenyl)- 1H-1,2,3-Triazole, 5-(2-bromophenyl)- 369363-78-0 C8H6BrN3
A549/FU A549/FU
5-Chloroimidazo[1,2-a]pyridine-2-carboxylic acid 5-Chloroimidazo[1,2-a]pyridine-2-carboxylic acid 1000017-93-5 C8H5ClN2O2
3-Pyridinecarbonitrile,4-(1-methylethyl)-(9CI) 3-Pyridinecarbonitrile,4-(1-methylethyl)-(9CI) 435273-45-3 C9H10N2
3-Pyrrolidinemethanamine,N-cyclopropyl-4-fluoro-,(3R,4S)-(9CI) 3-Pyrrolidinemethanamine,N-cyclopropyl-4-fluoro-,(3R,4S)-(9CI) 604798-54-1 C8H15FN2
1H-Benzimidazol-5-amine,4-chloro-6-fluoro-(9CI) 1H-Benzimidazol-5-amine,4-chloro-6-fluoro-(9CI) 117275-51-1 C7H5ClFN3
1H-Benzimidazole,2-(2-pyrrolidinyl)-,(R)-(9CI) 1H-Benzimidazole,2-(2-pyrrolidinyl)-,(R)-(9CI) 175530-90-2 C11H13N3
Pyridine, 2-bromo-4-(2-oxazolyl)- Pyridine, 2-bromo-4-(2-oxazolyl)- 1049025-08-2 C8H5BrN2O
[2,2'-Bipyridine]-6-methanol, 6'-bromo- [2,2'-Bipyridine]-6-methanol, 6'-bromo- 204244-75-7 C11H9BrN2O
1H-Benzimidazol-2-amine,4,6-dimethyl-(9CI) 1H-Benzimidazol-2-amine,4,6-dimethyl-(9CI) 67469-39-0 C9H11N3
Ethanone, 1-(4-bromo-6-fluoro-2-pyridinyl)- Ethanone, 1-(4-bromo-6-fluoro-2-pyridinyl)- 1393569-58-8 C7H5BrFNO
5-(1-Methylethyl)-1H-1,2,3-triazole 5-(1-Methylethyl)-1H-1,2,3-triazole 27808-04-4 C5H9N3
5-bromo-2-(2H?)methoxy-1,3-oxazole 5-bromo-2-(2H?)methoxy-1,3-oxazole 2697156-51-5
4-CHLORO-2-ETHYLQUINAZOLINE 4-CHLORO-2-ETHYLQUINAZOLINE 38154-40-4 C10H9ClN2
4-Bromo-1-[(4-methoxyphenyl)methyl]-1H-1,2,3-triazole 4-Bromo-1-[(4-methoxyphenyl)methyl]-1H-1,2,3-triazole 1907649-08-4 C10H10BrN3O
1-Bicyclo[1.1.1]pent-1-yl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 1-Bicyclo[1.1.1]pent-1-yl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 2710295-87-5 C14H21BN2O2
Methyl 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiazolecarboxylate Methyl 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiazolecarboxylate 2223027-29-8 C12H18BNO4S
1H-1,2,3-Triazole, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-[[2-(trimethylsilyl)ethoxy]methyl]- 1H-1,2,3-Triazole, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-[[2-(trimethylsilyl)ethoxy]methyl]- 2710294-52-1 C14H28BN3O3Si
4-PHENYLPYRAZOLE 4-PHENYLPYRAZOLE 10199-68-5 C9H8N2
Pyrimidine, 4-chloro-2-(1,1-dimethylethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyrimidine, 4-chloro-2-(1,1-dimethylethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2223030-88-2 C14H22BClN2O2
2-(propan-2-yl-d7)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(propan-2-yl-d7)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2241875-53-4 C14H15BD7NO2
4-(PIPERAZIN-1-YL)PYRIDINE-3-BORONIC ACID PINACOL ESTER 4-(PIPERAZIN-1-YL)PYRIDINE-3-BORONIC ACID PINACOL ESTER 1353889-06-1 C15H24BN3O2
5-(4-tert-Butylphenyl)pyridine-2-boronic acid pinacol ester 5-(4-tert-Butylphenyl)pyridine-2-boronic acid pinacol ester 1402233-38-8 C21H28BNO2
4-Amino-2-(thiazol-5-yl)pyrimidine-5-boronic acid pinacol ester 4-Amino-2-(thiazol-5-yl)pyrimidine-5-boronic acid pinacol ester 2223048-93-7 C13H17BN4O2S
2-Amino-4-(3-thienyl)pyrimidine-5-boronic acid pinacol ester 2-Amino-4-(3-thienyl)pyrimidine-5-boronic acid pinacol ester 2223011-97-8 C14H18BN3O2S
2-Amino-4-(thiazol-5-yl)pyrimidine-5-boronic acid pinacol ester 2-Amino-4-(thiazol-5-yl)pyrimidine-5-boronic acid pinacol ester 2223036-99-3 C13H17BN4O2S
tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)azetidine-1-carboxylate tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)azetidine-1-carboxylate 2223053-23-2 C17H27BN2O4S
tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furan-2-yl)azetidine-1-carboxylate tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furan-2-yl)azetidine-1-carboxylate 2223049-25-8 C18H28BNO5
4,4,5,5-tetramethyl-2-(5-(tetrahydrofuran-3-yl)furan-2-yl)-1,3,2-dioxaborolane 4,4,5,5-tetramethyl-2-(5-(tetrahydrofuran-3-yl)furan-2-yl)-1,3,2-dioxaborolane 2222996-68-9 C14H21BO4
tert-butyl 2-(2-cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)morpholine-4-carboxylate tert-butyl 2-(2-cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)morpholine-4-carboxylate 2223006-35-5 C24H36BNO5
2-(4-cyclopropyl-2-(tetrahydrofuran-3-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(4-cyclopropyl-2-(tetrahydrofuran-3-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2223002-82-0 C19H27BO3
4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)pyrimidine 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)pyrimidine 2223012-24-4 C14H17BN4O2
2-(1,3-dioxan-5-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2-(1,3-dioxan-5-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2241866-49-7 C13H20BNO4S
4-fluoro-2-((tetrahydrofuran-3-yl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-fluoro-2-((tetrahydrofuran-3-yl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2256709-08-5 C15H21BFNO4
4-fluoro-2-(tetrahydro-2H-pyran-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 4-fluoro-2-(tetrahydro-2H-pyran-3-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2256709-13-2 C16H23BFNO3
2-Fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4-(trifluoromethyl)pyridine 2-Fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4-(trifluoromethyl)pyridine 2223041-77-6 C12H14BF4NO2
tert-Butyl 2-(2-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl)morpholine-4-carboxylate tert-Butyl 2-(2-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl)morpholine-4-carboxylate 2222997-22-8 C20H30BFN2O5
tert-Butyl 3-(2-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl)pyrrolidine-1-carboxylate tert-Butyl 3-(2-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl)pyrrolidine-1-carboxylate 2223003-05-0 C20H30BFN2O4
4-Cyclopentyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 4-Cyclopentyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine 2223012-37-9 C17H23BF3NO2
1-(6-Bromo-2-pyridyl)pyrazole-4-boronic acid pinacol ester 1-(6-Bromo-2-pyridyl)pyrazole-4-boronic acid pinacol ester 1402233-73-1 C14H17BBrN3O2
2-(4-Bromoimidazol-1-yl)pyrimidine-5-boronic acid pinacol ester 2-(4-Bromoimidazol-1-yl)pyrimidine-5-boronic acid pinacol ester 1402233-91-3 C13H16BBrN4O2
3-Methyl-1-(2-aminopyrimidin-4-yl)-1H-pyrazole-4-boronic acid pinacol ester 3-Methyl-1-(2-aminopyrimidin-4-yl)-1H-pyrazole-4-boronic acid pinacol ester 2223012-58-4 C14H20BN5O2
1-(Pyrimidin-5-yl)-1H-pyrazole-3-boronic acid pinacol ester 1-(Pyrimidin-5-yl)-1H-pyrazole-3-boronic acid pinacol ester 2223054-52-0 C13H17BN4O2
5-(2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyrimidine 5-(2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl)pyrimidine 2223043-36-3 C14H19BN4O2
1-(2,3-Dibromo-4-pyridyl)imidazole-4-boronic acid pinacol ester 1-(2,3-Dibromo-4-pyridyl)imidazole-4-boronic acid pinacol ester 1402238-15-6 C14H16BBr2N3O2
4-Chloro-2-(ethoxy)pyrimidine-5-boronic acid pinacol ester 4-Chloro-2-(ethoxy)pyrimidine-5-boronic acid pinacol ester 2223045-85-8 C12H18BClN2O3
4-Chloro-2-(dimethylamino)pyrimidine-5-boronic acid pinacol ester 4-Chloro-2-(dimethylamino)pyrimidine-5-boronic acid pinacol ester 2223055-84-1 C12H19BClN3O2
6-Bromo-5'-acetyl-2,2'-bipyridine 6-Bromo-5'-acetyl-2,2'-bipyridine 1185315-21-2 C12H9BrN2O
6-Bromo-4'-formyl-2,2'-bipyridine 6-Bromo-4'-formyl-2,2'-bipyridine 1185307-81-6 C11H7BrN2O
5-Bromo-2-(6'-chloro-2'-pyridyl)thiazole 5-Bromo-2-(6'-chloro-2'-pyridyl)thiazole 1185316-76-0 C8H4BrClN2S
3-Methoxy-6-(6'-bromo-2'-pyridyl)pyridazine 3-Methoxy-6-(6'-bromo-2'-pyridyl)pyridazine 1185316-96-4
6-Chloro-4-amino-6'-bromo-2,2'-bipyridine 6-Chloro-4-amino-6'-bromo-2,2'-bipyridine 1185306-32-4
2-(Pyrimidin-4-yl)phenylboronic acid 2-(Pyrimidin-4-yl)phenylboronic acid 2225181-66-6 C10H9BN2O2
3,5-Dibromo-2-methylethylaminopyridine 3,5-Dibromo-2-methylethylaminopyridine 1289049-17-7 C8H10Br2N2
3,5-Dibromo-2-(3-methyl-1H-pyrazol-1-yl)pyridine 3,5-Dibromo-2-(3-methyl-1H-pyrazol-1-yl)pyridine 1289111-48-3 C9H7Br2N3
6-Chloro-2-(4'-cyano-2'-pyridyl)pyrazine 6-Chloro-2-(4'-cyano-2'-pyridyl)pyrazine 1185314-41-3 C10H5ClN4
2-Amino-4-(6'-chloro-2'-pyrazinyl)pyrimidine 2-Amino-4-(6'-chloro-2'-pyrazinyl)pyrimidine 1185315-31-4 C8H6ClN5
6,6'-Dichloro-2-methyl-4-(2'-pyrazinyl)pyrimidine 6,6'-Dichloro-2-methyl-4-(2'-pyrazinyl)pyrimidine 1185308-10-4 C9H6Cl2N4
6-Hydroxymethyl-6'-cyano-2,2'-bipyridine 6-Hydroxymethyl-6'-cyano-2,2'-bipyridine 1185306-48-2 C12H9N3O
5-Methoxycarbonyl-6'-cyano-2,2'-bipyridine 5-Methoxycarbonyl-6'-cyano-2,2'-bipyridine 1185309-07-2 C13H9N3O2
6-Chloro-2-(6'-cyano-2'-pyridyl)pyrazine 6-Chloro-2-(6'-cyano-2'-pyridyl)pyrazine 1185306-68-6 C10H5ClN4
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