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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
5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(4-(trifluoromethyl)phenyl)thiazole 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(4-(trifluoromethyl)phenyl)thiazole 1402237-81-3 C16H17BF3NO2S
5-(5-Pyrimidyl)-2-hydroxypyrazine 5-(5-Pyrimidyl)-2-hydroxypyrazine 1159820-18-4 C8H6N4O
5-(6-Chloro-2-pyridyl)furan-2-boronic acid pinacol ester 5-(6-Chloro-2-pyridyl)furan-2-boronic acid pinacol ester 2223035-35-4 C15H17BClNO3
5-(Cyclopentoxy)pyridine-3-boronic acid pinacol ester 5-(Cyclopentoxy)pyridine-3-boronic acid pinacol ester 2223028-80-4 C16H24BNO3
5-(n-Propyl)-6-methoxypyridine-3-boronic acid pinacol ester 5-(n-Propyl)-6-methoxypyridine-3-boronic acid pinacol ester 2223031-68-1 C15H24BNO3
5-Amino-2-(1,4-dioxan-2-yl)thiazole 5-Amino-2-(1,4-dioxan-2-yl)thiazole 1622835-17-9 C7H10N2O2S
5-Amino-2-(morpholino)thiazole 5-Amino-2-(morpholino)thiazole 1292773-69-3 C7H11N3OS
5-bromo-2-(1,4-dioxan-2-yl)pyridine 5-bromo-2-(1,4-dioxan-2-yl)pyridine 1622835-07-7 C9H10BrNO2
5-Bromo-2-(3-chlorophenyl)pyrimidine 5-Bromo-2-(3-chlorophenyl)pyrimidine 944899-91-6 C10H6BrClN2
5-Bromo-2-(3-methoxyphenyl)pyrimidine 5-Bromo-2-(3-methoxyphenyl)pyrimidine 728911-53-3 C11H9BrN2O
5-Bromo2-(iso-propenyl)thiazole 5-Bromo2-(iso-propenyl)thiazole 1314354-02-3 C6H6BrNS
5-Bromo-2-(methylethylamino)pyrimidine 5-Bromo-2-(methylethylamino)pyrimidine 1289057-67-5 C7H10BrN3
5-Bromo-2-(tetrahydro-furan-3-yloxy)pyrimidine 5-Bromo-2-(tetrahydro-furan-3-yloxy)pyrimidine 1260883-04-2 C8H9BrN2O2
5-Bromo-2-acetoxythiazole 5-Bromo-2-acetoxythiazole 1264038-50-7 C5H4BrNO2S
5-Bromo-2-amino-4-(3-furyl)pyridine 5-Bromo-2-amino-4-(3-furyl)pyridine 1381937-71-8 C9H7BrN2O
5-Bromo-4-(n-propyl)thiazole 5-Bromo-4-(n-propyl)thiazole 1243838-90-5 C6H8BrNS
5-Bromo-6-(2-tolyl)pyridine-3-boronic acid pinacol ester 5-Bromo-6-(2-tolyl)pyridine-3-boronic acid pinacol ester 2223054-50-8 C18H21BBrNO2
5-Bromo-6-(4-cyanophenyl)pyridine-3-boronic acid pinacol ester 5-Bromo-6-(4-cyanophenyl)pyridine-3-boronic acid pinacol ester 2223052-53-5 C18H18BBrN2O2
5-Bromo-6-(iso-butyl)pyridine-3-boronic acid pinacol ester 5-Bromo-6-(iso-butyl)pyridine-3-boronic acid pinacol ester 2223038-14-8 C15H23BBrNO2
5-Bromo-6-(n-propoxy)pyridine-3-boronic acid pinacol ester 5-Bromo-6-(n-propoxy)pyridine-3-boronic acid pinacol ester 1422270-13-0 C14H21BBrNO3
5-Bromo-6-methylethylaminopyridine-3-boronic acid pinacol ester 5-Bromo-6-methylethylaminopyridine-3-boronic acid pinacol ester 1415748-01-4 C14H22BBrN2O2
5-Chloro-2-cyanopyridine-4-boronic acid pinacol ester 5-Chloro-2-cyanopyridine-4-boronic acid pinacol ester 2223052-09-1 C12H14BClN2O2
5-Fluoro-2-(2-methylpiperidin-1-yl)pyridine-4-boronic acid pinacol ester 5-Fluoro-2-(2-methylpiperidin-1-yl)pyridine-4-boronic acid pinacol ester 2223003-51-6 C17H26BFN2O2
5-Fluoro-2-(imidazol-1-yl)pyridine-4-boronic acid pinacol ester 5-Fluoro-2-(imidazol-1-yl)pyridine-4-boronic acid pinacol ester 2223035-59-2 C14H17BFN3O2
5-Hydroxy-2-(2-pyridyl)pyrimidine 5-Hydroxy-2-(2-pyridyl)pyrimidine 1260803-11-9 C9H7N3O
6-(1,4-dioxan-2-yl)-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 6-(1,4-dioxan-2-yl)-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223004-32-6 C15H21BFNO4
6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,4'-bipyridine-2',3',5',6'-d4 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,4'-bipyridine-2',3',5',6'-d4 2241867-11-6 C16H19BN2O2
6-(Methylthio)pyridine-2-boronic acid pinacol ester 6-(Methylthio)pyridine-2-boronic acid pinacol ester 2223035-65-0 C12H18BNO2S
6-[Pyridazin-3(2H)-one]-2-bromopyrazine 6-[Pyridazin-3(2H)-one]-2-bromopyrazine 1198154-98-1 C8H5BrN4O
6-Chloro-5-(2-tolyl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(2-tolyl)pyridine-3-boronic acid pinacol ester 2223028-86-0 C18H21BClNO2
6-Chloro-5-(3-methoxyphenyl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(3-methoxyphenyl)pyridine-3-boronic acid pinacol ester 2223029-86-3 C18H21BClNO3
6-Chloro-5-(4-methylpiperidin-1-yl)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(4-methylpiperidin-1-yl)pyridine-3-boronic acid pinacol ester 2223030-44-0 C17H26BClN2O2
6-Chloro-5-(pyrrolidino)pyridine-3-boronic acid pinacol ester 6-Chloro-5-(pyrrolidino)pyridine-3-boronic acid pinacol ester 2223054-40-6 C15H22BClN2O2
6-cyclobutyl-2-(propan-2-yl)pyrimidin-4-amine 6-cyclobutyl-2-(propan-2-yl)pyrimidin-4-amine 1412960-03-2 C11H17N3
6-Ethyl-5-bromopyridine-3-boronic acid pinacol ester 6-Ethyl-5-bromopyridine-3-boronic acid pinacol ester 2223036-02-8 C13H19BBrNO2
6-Methyl-5-(iso-propyl)pyridine-3-boronic acid pinacol ester 6-Methyl-5-(iso-propyl)pyridine-3-boronic acid pinacol ester 2223044-77-5 C15H24BNO2
Methyl 4-cyclobutylpyridine-3-carboxylate Methyl 4-cyclobutylpyridine-3-carboxylate 1622839-20-6 C11H13NO2
Methyl 4-cyclopropylpyridine-3-carboxylate Methyl 4-cyclopropylpyridine-3-carboxylate 1622840-27-0 C10H11NO2
N-(ethyl-d5)-N-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-amine N-(ethyl-d5)-N-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-amine 2241875-29-4 C14H23BN2O2
N,N-bis(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine N,N-bis(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine 2241867-44-5 C13H15BD6N2O2
N,N-diethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-amine N,N-diethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-amine 1310405-18-5 C13H23BN2O2S
tert-butyl 2-(4-chlorophenyl)pyrrolidine-1-carboxylate tert-butyl 2-(4-chlorophenyl)pyrrolidine-1-carboxylate 329307-44-0 C15H20ClNO2
tert-butyl 2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-3-yl)morpholine-4-carboxylate tert-butyl 2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-3-yl)morpholine-4-carboxylate 2223003-47-0 C19H30BNO5S
tert-butyl 2-(6-(methoxycarbonyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine-4-carboxylate tert-butyl 2-(6-(methoxycarbonyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine-4-carboxylate 2223008-67-9 C22H33BN2O7
tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)pyridin-2-yl)pyrrolidine-1-carboxylate tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)pyridin-2-yl)pyrrolidine-1-carboxylate 2223003-71-0 C21H30BF3N2O4
tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)pyrrolidine-1-carboxylate tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)pyrrolidine-1-carboxylate 2223006-28-6 C19H30BNO4S
tert-butyl 3-(6-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate tert-butyl 3-(6-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate 2222996-33-8 C21H32BFN2O4
tert-butyl 4-(6-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate tert-butyl 4-(6-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate 2223049-12-3 C22H35BN2O4
(2-(cyclopropyl-d5)pyrimidin-5-yl-4,6-d2)boronic acid (2-(cyclopropyl-d5)pyrimidin-5-yl-4,6-d2)boronic acid 2241866-02-2 C7H9BN2O2
(2-(piperazin-1-yl-2,2,3,3,5,5,6,6-d8)pyridin-4-yl-3,5,6-d3)boronic acid (2-(piperazin-1-yl-2,2,3,3,5,5,6,6-d8)pyridin-4-yl-3,5,6-d3)boronic acid 2241875-79-4 C9H14BN3O2
(2-fluoropyridin-4-yl-3,5,6-d3)boronic acid (2-fluoropyridin-4-yl-3,5,6-d3)boronic acid 2241875-64-7 C5H5BFNO2
(4-(ethyl-d5)pyrimidin-5-yl-2,6-d2)boronic acid (4-(ethyl-d5)pyrimidin-5-yl-2,6-d2)boronic acid 2241865-98-3 C6H9BN2O2
1-(2-AMINOPYRIDIN-3-YL)PIPERIDIN-3-OL 1-(2-AMINOPYRIDIN-3-YL)PIPERIDIN-3-OL 1563534-51-9 C10H15N3O
1-(2-AMINOPYRIDIN-5-YL)PIPERIDIN-2-OL 1-(2-AMINOPYRIDIN-5-YL)PIPERIDIN-2-OL 1314355-01-5 C10H15N3O
1-(2-CHLOROPYRIDIN-3-YL)PIPERIDIN-3-OL 1-(2-CHLOROPYRIDIN-3-YL)PIPERIDIN-3-OL 1563533-66-3 C10H13ClN2O
1-(3-BROMOPYRIDIN-5-YL)PIPERIDIN-3-OL 1-(3-BROMOPYRIDIN-5-YL)PIPERIDIN-3-OL 1289056-79-6 C10H13BrN2O
1-(4-AMINOPYRIDIN-3-YL)PYRROLIDIN-3-OL 1-(4-AMINOPYRIDIN-3-YL)PYRROLIDIN-3-OL 1563534-33-7 C9H13N3O
1-(4-Bromo-2-pyridyl)-4-bromoimidazole 1-(4-Bromo-2-pyridyl)-4-bromoimidazole 1353856-78-6 C8H5Br2N3
1-(4-BROMOPYRIDIN-3-YL)PIPERIDIN-2-OL 1-(4-BROMOPYRIDIN-3-YL)PIPERIDIN-2-OL 1563534-69-9 C10H13BrN2O
1-(6-Bromo-2-pyridyl)-4-bromoimidazole 1-(6-Bromo-2-pyridyl)-4-bromoimidazole 1353856-65-1 C8H5Br2N3
1-(methyl-d3)-4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl-2,4,6-d3)piperazine-2,2,3,3,5,5,6,6-d8 1-(methyl-d3)-4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl-2,4,6-d3)piperazine-2,2,3,3,5,5,6,6-d8 2241875-13-6 C16H26BN3O2
2-(1H-imidazol-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(1H-imidazol-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2256755-54-9 C14H18BN3O2
2-(1H-imidazol-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine 2-(1H-imidazol-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine 2256755-58-3 C13H17BN4O2
2-(1H-pyrazol-1-yl-d3)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3 2-(1H-pyrazol-1-yl-d3)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3 2256710-03-7 C14H18BN3O2
2-(2-bromophenyl)pyridine-3,4,5,6-d4 2-(2-bromophenyl)pyridine-3,4,5,6-d4 2256711-18-7 C11H8BrN
2-(2-Fluorophenyl)thiazole 2-(2-Fluorophenyl)thiazole 1159821-65-4 C9H6FNS
2-(2-Tolyl)-4-hydroxythiazole 2-(2-Tolyl)-4-hydroxythiazole 1159820-51-5 C10H9NOS
2-(3-AMINOPYRIDIN-2-YL)BENZONITRILE 2-(3-AMINOPYRIDIN-2-YL)BENZONITRILE 1563533-05-0 C12H9N3
2-(3-bromophenyl)-6-(methyl-d3)pyridine-3,4,5-d3 2-(3-bromophenyl)-6-(methyl-d3)pyridine-3,4,5-d3 2256711-87-0 C12H10BrN
2-(3-FLUOROPHENYL)PYRIDIN-4-AMINE 2-(3-FLUOROPHENYL)PYRIDIN-4-AMINE 1214358-31-2 C11H9FN2
2-(3-Tolyl)-4-hydroxythiazole 2-(3-Tolyl)-4-hydroxythiazole 1159818-49-1 C10H9NOS
2-(4-(methyl-d3)-1H-imidazol-1-yl-2,5-d2)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3 2-(4-(methyl-d3)-1H-imidazol-1-yl-2,5-d2)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,5,6-d3 2256706-29-1 C15H20BN3O2
2-(4-bromo-1H-1,2,3-triazol-1-yl-5-d)pyridine-3,4,5,6-d4 2-(4-bromo-1H-1,2,3-triazol-1-yl-5-d)pyridine-3,4,5,6-d4 2256709-84-7 C7BrD5N4
2-(4-bromo-1H-imidazol-1-yl-2,5-d2)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2-(4-bromo-1H-imidazol-1-yl-2,5-d2)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2256706-91-7 C14H17BBrN3O2
2-(4-bromo-1H-pyrazol-1-yl-3,5-d2)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(4-bromo-1H-pyrazol-1-yl-3,5-d2)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2256706-59-7 C14H17BBrN3O2
2-(4-Bromothiazole)-2-acetoxypropane 2-(4-Bromothiazole)-2-acetoxypropane 1622839-63-7 C8H10BrNO2S
2-(4-Fluoro-2-methylphenyl)-4-hydroxythiazole 2-(4-Fluoro-2-methylphenyl)-4-hydroxythiazole 1159821-38-1 C10H8FNOS
2-(4-Tetrahydropyranyl)-3,4,5-tribromopyridine 2-(4-Tetrahydropyranyl)-3,4,5-tribromopyridine 1399480-58-0 C10H10Br3NO
2-(Cyclohexyl)thiazole 2-(Cyclohexyl)thiazole 25039-86-5 C9H13NS
2-(ethoxy-d5)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2-(ethoxy-d5)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2241875-40-9 C13H20BNO3
2-(ethoxy-d5)pyridin-4,5,6-d3-3-amine 2-(ethoxy-d5)pyridin-4,5,6-d3-3-amine 2259316-19-1 C7H10N2O
2-(methoxy-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2-(methoxy-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2241875-39-6 C12H18BNO3
2-(methyl-d3)-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl-2,5-d2)pyridine-4,5,6-d3 2-(methyl-d3)-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazol-1-yl-2,5-d2)pyridine-4,5,6-d3 2256706-38-2 C15H20BN3O2
2-(n-Propyl)-4-hydroxythiazole 2-(n-Propyl)-4-hydroxythiazole 1159814-81-9 C6H9NOS
2-(propoxy-d7)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3 2-(propoxy-d7)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3 2241870-03-9 C14H22BNO3
2-(pyrrolidin-1-yl-d8)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2-(pyrrolidin-1-yl-d8)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2241875-43-2 C15H23BN2O2
2-(tert-butoxy)-6-(sec-butyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(tert-butoxy)-6-(sec-butyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2256754-70-6 C19H32BNO3
2-(tert-butoxy)-6-(tetrahydrofuran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-(tert-butoxy)-6-(tetrahydrofuran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2256754-80-8 C19H30BNO4
2-(tetrahydro-2H-pyran-2-yl)pyrimidin-4-amine 2-(tetrahydro-2H-pyran-2-yl)pyrimidin-4-amine 1622835-90-8 C9H13N3O
2,3-Dibromo-4-(1H-pyrrol-1-yl)pyridine 2,3-Dibromo-4-(1H-pyrrol-1-yl)pyridine 1381942-74-0 C9H6Br2N2
2,3-Dibromo-4-(2-methylimidazol-1-yl)pyridine 2,3-Dibromo-4-(2-methylimidazol-1-yl)pyridine 1381941-16-7 C9H7Br2N3
2,3-Dibromo-4-(3-tolyl)pyridine 2,3-Dibromo-4-(3-tolyl)pyridine 1381942-94-4 C12H9Br2N
2,3-dibromo-4-(methoxy-d3)pyridine 2,3-dibromo-4-(methoxy-d3)pyridine 2294946-71-5 C6H5Br2NO
2,3-Dibromo-4-(n-propyl)pyridine 2,3-Dibromo-4-(n-propyl)pyridine 1381940-86-8 C8H9Br2N
2,3-Dibromo-5-(3-tolyl)pyridine 2,3-Dibromo-5-(3-tolyl)pyridine 1399480-22-8 C12H9Br2N
2,3-Dibromo-5-(4-trifluoromethylphenyl)pyridine 2,3-Dibromo-5-(4-trifluoromethylphenyl)pyridine 1399482-45-1 C12H6Br2F3N
2,4-Dibromo-3-(cyclohexyl)pyridine 2,4-Dibromo-3-(cyclohexyl)pyridine 1381940-69-7 C11H13Br2N
2,4-Dibromo-6-(3-chlorophenyl)-1,3,5-triazine 2,4-Dibromo-6-(3-chlorophenyl)-1,3,5-triazine 1374665-89-0 C9H4Br2ClN3
2,4-Dibromo-6-(3-thienyl)-1,3,5-triazine 2,4-Dibromo-6-(3-thienyl)-1,3,5-triazine 1374664-58-0 C7H3Br2N3S
2,4-Dibromo-6-cyclopentyl-1,3,5-triazine 2,4-Dibromo-6-cyclopentyl-1,3,5-triazine 1374665-17-4 C8H9Br2N3
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