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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
N,N-diethyl-3-methyl-4-[(5-nitro-1,3-thiazol-2-yl)diazenyl]aniline N,N-diethyl-3-methyl-4-[(5-nitro-1,3-thiazol-2-yl)diazenyl]aniline 70693-64-0 C14H17N5O2S
4-(4-PYRIDYLOXY)BENZENESULFONYL CHLORIDE HYDROCHLORIDE 4-(4-PYRIDYLOXY)BENZENESULFONYL CHLORIDE HYDROCHLORIDE 192330-49-7 C11H9Cl2NO3S
(3-METHYLISOXAZOL-5-YL)METHANOL (3-METHYLISOXAZOL-5-YL)METHANOL 14716-89-3 C5H7NO2
(S)-N-Phenyl-2-pyrrolidinecarboxamide (S)-N-Phenyl-2-pyrrolidinecarboxamide 64030-43-9 C11H14N2O
2,4-DICHLORO-6-FLUOROQUINAZOLINE 2,4-DICHLORO-6-FLUOROQUINAZOLINE 134517-57-0 C8H3Cl2FN2
2-Methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile
2-Methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile 775351-54-7 C14H18BNO2
6-Bromo-2-iodoquinazoline 6-Bromo-2-iodoquinazoline 882670-93-1 C8H4BrIN2
2-Chloro-5-trifluoromethyl-nicotinonitrile 2-Chloro-5-trifluoromethyl-nicotinonitrile 624734-22-1 C7H2ClF3N2
4-Trifluoromethyl-pyridine-2-carbaldehyde 4-Trifluoromethyl-pyridine-2-carbaldehyde 132470-83-8 C7H4F3NO
4-(Trifluoromethyl)pyridine-2-thiol 4-(Trifluoromethyl)pyridine-2-thiol 121307-79-7 C6H4F3NS
2H-PYRIMIDO[1,2-B]PYRIDAZIN, 2-CHLORO-7,8-DIMETHYL- 2H-PYRIMIDO[1,2-B]PYRIDAZIN, 2-CHLORO-7,8-DIMETHYL- 17412-26-9 C8H8ClN3
6-Aminoindazole 6-Aminoindazole 6967-12-0 C7H7N3
6-(4-methylpiperidin-1-yl)pyridin-3-amine 6-(4-methylpiperidin-1-yl)pyridin-3-amine 767583-34-6 C11H17N3
Azacyclotridecan-2-one Azacyclotridecan-2-one 947-04-6 C12H23NO
N-(2-chlorophenyl)-3-[(4-fluorophenyl)methyl]-4-oxo-2-phenylimino-1,3-thiazinane-6-carboxamide N-(2-chlorophenyl)-3-[(4-fluorophenyl)methyl]-4-oxo-2-phenylimino-1,3-thiazinane-6-carboxamide 6135-46-2 C8H18N2
1,3,4-Thiadiazol-2-amine,  5-ethoxy- 1,3,4-Thiadiazol-2-amine, 5-ethoxy- 16784-23-9 C4H7N3OS
(S,S)-(-)-2,2'-ISOPROPYLIDENEBIS(4-TERT-BUTYL-2-OXAZOLINE) (S,S)-(-)-2,2'-ISOPROPYLIDENEBIS(4-TERT-BUTYL-2-OXAZOLINE) 131833-93-7 C17H30N2O2
4-(4'-N,N-Dimethylaminophenyl)urazole 4-(4'-N,N-Dimethylaminophenyl)urazole 883455-55-8 C10H12N4O2
3-(1H-Benzimidazol-1-yl)propanenitrile 3-(1H-Benzimidazol-1-yl)propanenitrile 4414-84-0 C10H9N3
[2,2'-Bipyridin]-6(1H)-one, 6'-bromo- [2,2'-Bipyridin]-6(1H)-one, 6'-bromo- 1185315-54-1 C10H7BrN2O
1H-Pyrrole, 1-(tetrahydro-2-furanyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1H-Pyrrole, 1-(tetrahydro-2-furanyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2222997-60-4 C14H22BNO3
1-hydroxybenzotriazole monohydrate 1-hydroxybenzotriazole monohydrate C6H7N3O2
Quinoxaline, 5-bromo-8-fluoro- Quinoxaline, 5-bromo-8-fluoro- 2101945-29-1 C8H4BrFN2
Pyridine, 4-(1,1-dimethylethoxy)-2-fluoro- Pyridine, 4-(1,1-dimethylethoxy)-2-fluoro- 1565917-85-2 C9H12FNO
Pyrimidine, 5-bromo-2-ethyl-4-methyl- Pyrimidine, 5-bromo-2-ethyl-4-methyl- 1369343-43-0 C7H9BrN2
2-Bromo-5-fluoropyridine 1-oxide 2-Bromo-5-fluoropyridine 1-oxide 935534-39-7 C5H3BrFNO
1H-1,2,3-Triazole, 1-(tetrahydro-3-furanyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1H-1,2,3-Triazole, 1-(tetrahydro-3-furanyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1657004-57-3 C12H20BN3O3
4H-Pyrimido[6,1-a]isoquinolin-4-one, 2-chloro-9-ethoxy-6,7-dihydro-10-methoxy- 4H-Pyrimido[6,1-a]isoquinolin-4-one, 2-chloro-9-ethoxy-6,7-dihydro-10-methoxy- 2408153-21-7 C15H15ClN2O3
4H-1,2,4-Triazol-3-amine, 5-methyl-4-phenyl- 4H-1,2,4-Triazol-3-amine, 5-methyl-4-phenyl- 161637-10-1 C9H10N4
Thiazole, 4-bromo-5-(1-methylethyl)- Thiazole, 4-bromo-5-(1-methylethyl)- 1264036-02-3 C6H8BrNS
Thiazole, 4-bromo-2-[(tetrahydro-2-furanyl)methoxy]- Thiazole, 4-bromo-2-[(tetrahydro-2-furanyl)methoxy]- 1520844-96-5 C8H10BrNO2S
Pyridine, 2-bromo-6-(1,1-dimethylethyl)-4-fluoro- Pyridine, 2-bromo-6-(1,1-dimethylethyl)-4-fluoro- 2645417-16-7 C9H11BrFN
Pyridine-3-d, 2-bromo- (9CI) Pyridine-3-d, 2-bromo- (9CI) 54267-61-7 C5H4BrN
2-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2819702-24-2 C11H15BFNO2
2-(methyl-d2)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3 2-(methyl-d2)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,5-d3 2819702-42-4 C12H18BNO2
5-Thiazolamine,  4-(1-methylethyl)- 5-Thiazolamine, 4-(1-methylethyl)- 72632-66-7 C6H10N2S
2,6-Dimethylbenzyl chloride 2,6-Dimethylbenzyl chloride 5402-60-8 C9H11Cl
4-(3-BROMO-PHENYL)-THIAZOL-2-YLAMINE 4-(3-BROMO-PHENYL)-THIAZOL-2-YLAMINE 105512-81-0 C9H7BrN2S
2,4-diphenyl-6-(4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1':2',1''-terphenyl]-2-yl)-1,3,5-triazine 2,4-diphenyl-6-(4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1':2',1''-terphenyl]-2-yl)-1,3,5-triazine 3036509-60-8
3-(4-BROMOPHENYL)-5-(CHLOROMETHYL)-1,2,4-OXADIAZOLE 3-(4-BROMOPHENYL)-5-(CHLOROMETHYL)-1,2,4-OXADIAZOLE 110704-42-2 C9H6BrClN2O
7-(4-tert-Butylphenyl)-2-methyl-1H-indene 7-(4-tert-Butylphenyl)-2-methyl-1H-indene 245653-52-5 C20H22
6-Methylimidazo[2,1-b]thiazole 6-Methylimidazo[2,1-b]thiazole 3835-41-4 C6H6N2S
2,4-Dimethylquinazoline 2,4-Dimethylquinazoline 703-63-9 C10H10N2
4-Methyl-6-ethoxypyrimidine-2-amine 4-Methyl-6-ethoxypyrimidine-2-amine 7749-48-6 C7H11N3O
1-(4-Chlorophenyl)-1H-pyrazol-4-amine 1-(4-Chlorophenyl)-1H-pyrazol-4-amine 14044-28-1 C9H8ClN3
1-Phenyl-1H-pyrazol-4-amine 1-Phenyl-1H-pyrazol-4-amine 1128-53-6 C9H9N3
5-NITRO-1H-BENZOIMIDAZOLE-2-CARBOXYLIC ACID 5-NITRO-1H-BENZOIMIDAZOLE-2-CARBOXYLIC ACID 73903-18-1 C8H5N3O4
6-(TETRAHYDRO-FURAN-3-YLOXY)-2-BROMOPYRIDINE 6-(TETRAHYDRO-FURAN-3-YLOXY)-2-BROMOPYRIDINE 478366-27-7 C9H10BrNO2
(S)-4-PHENYL-2-(QUINOLIN-8-YL)-4,5-DIHYDROOXAZOLE (S)-4-PHENYL-2-(QUINOLIN-8-YL)-4,5-DIHYDROOXAZOLE 220628-99-9 C18H14N2O
1-ALLYLPYRIMIDINE-2,4(1H,3H)-DIONE 1-ALLYLPYRIMIDINE-2,4(1H,3H)-DIONE 25855-26-9 C7H8N2O2
2,4-DICHLORO-7-BROMOQUINAZOLINE 2,4-DICHLORO-7-BROMOQUINAZOLINE 959237-68-4 C8H3BrCl2N2
2-(4-METHOXY-PHENYL)-BENZOOXAZOLE 2-(4-METHOXY-PHENYL)-BENZOOXAZOLE 838-34-6 C14H11NO2
8-METHYLIMIDAZO[1,2-A]PYRIDINE 8-METHYLIMIDAZO[1,2-A]PYRIDINE 874-10-2 C8H8N2
3-Bromo-5-chloroimidazo[1,2-a]pyridine 3-Bromo-5-chloroimidazo[1,2-a]pyridine 1260656-94-7 C7H4BrClN2
2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3,4,6-d3 2819702-87-7 C12H18BNO3
3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,4,6-d3 3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2,4,6-d3 2819703-00-7 C12H18BNO2
tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl-2,4,5-d3)piperidine-1-carboxylate-2,2,3,4,4,5,5,6,6-d9 tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl-2,4,5-d3)piperidine-1-carboxylate-2,2,3,4,4,5,5,6,6-d9 2819703-38-1 C21H33BN2O4
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-2,2,3,4,4,5,5,6,6-d9 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-2,2,3,4,4,5,5,6,6-d9 2819703-50-7 C21H33BN2O4
2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)tetrahydro-4H-pyran-4-one 2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)tetrahydro-4H-pyran-4-one 2819707-03-2 C16H22BNO4
3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)tetrahydro-4H-pyran-4-one 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)tetrahydro-4H-pyran-4-one 2819707-18-9 C16H22BNO4
2-(5-cyclopropyl-4-fluoro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(5-cyclopropyl-4-fluoro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2819707-56-5 C16H22BFO3
3-cyclopropyl-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 3-cyclopropyl-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2819708-74-0 C15H22BNO2
Pyridine, 3-bicyclo[1.1.1]pent-1-yl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 3-bicyclo[1.1.1]pent-1-yl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2710295-76-2 C16H22BNO2
Thiazole, 2-(1-cyclohexen-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Thiazole, 2-(1-cyclohexen-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2096336-87-5 C15H22BNO2S
4-Morpholinecarboxylic acid, 3-(4-bromophenyl)-, 1,1-dimethylethyl ester 4-Morpholinecarboxylic acid, 3-(4-bromophenyl)-, 1,1-dimethylethyl ester 2323051-11-0 C15H20BrNO3
2H-1,2,3-Triazole, 4-bromo-5-(1-methylethyl)- 2H-1,2,3-Triazole, 4-bromo-5-(1-methylethyl)- 1537148-60-9 C5H8BrN3
3-[(2S)-1,2,3,6-tetrahydropyridin-2-yl]pyridine 3-[(2S)-1,2,3,6-tetrahydropyridin-2-yl]pyridine 581-49-7 C10H12N2
1H-Benzimidazol-5-ol 1H-Benzimidazol-5-ol 41292-65-3 C7H6N2O
SMMC7721/FU SMMC7721/FU
3-amino-5-methyl-1H-pyrazole-4-carbonitrile 3-amino-5-methyl-1H-pyrazole-4-carbonitrile 5453-07-6 C5H6N4
Pyridine, 2-fluoro-4-methoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyridine, 2-fluoro-4-methoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2305839-38-5 C12H17BFNO3
(3R,4R)-N-Cbz-3,4-difluoropyrrolidine (3R,4R)-N-Cbz-3,4-difluoropyrrolidine 790658-58-1 C12H13F2NO2
1,2-Dithiolane-4-carboxylicacid(6CI,7CI,8CI,9CI) 1,2-Dithiolane-4-carboxylicacid(6CI,7CI,8CI,9CI) 2224-02-4 C4H6O2S2
1H-1,2,4-Triazole,1-phenyl-(6CI,7CI,8CI,9CI) 1H-1,2,4-Triazole,1-phenyl-(6CI,7CI,8CI,9CI) 13423-60-4 C8H7N3
1H-Benzimidazole-2-carboxylicacid,5-methyl-(9CI) 1H-Benzimidazole-2-carboxylicacid,5-methyl-(9CI) 99459-47-9 C9H8N2O2
1H-Benzimidazole,2-cyclopropyl-(9CI) 1H-Benzimidazole,2-cyclopropyl-(9CI) 16405-79-1 C10H10N2
1H-Benzimidazol-5-ol,2-amino-(9CI) 1H-Benzimidazol-5-ol,2-amino-(9CI) 51276-85-8 C7H7N3O
1-Phthalazinecarboxylic acid, 7-bromo-5-[(2,2-dimethyl-1-oxopropyl)amino]-3,4-dihydro-4-oxo- 1-Phthalazinecarboxylic acid, 7-bromo-5-[(2,2-dimethyl-1-oxopropyl)amino]-3,4-dihydro-4-oxo- 2629317-74-2 C14H14BrN3O4
2-Butanone,4-(1H-benzimidazol-2-yl)-(9CI) 2-Butanone,4-(1H-benzimidazol-2-yl)-(9CI) 19276-01-8 C11H12N2O
1H-Imidazole, 5-bromo-2-ethyl-1-methyl- 1H-Imidazole, 5-bromo-2-ethyl-1-methyl- 1896751-03-3 C6H9BrN2
Pyrimidine, 2-(3-oxetanyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Pyrimidine, 2-(3-oxetanyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2223053-15-2 C13H19BN2O3
3,5-Dibromo-2-propoxypyridine 3,5-Dibromo-2-propoxypyridine 1289263-35-9 C8H9Br2NO
(4-Pyrazol-1-ylphenyl)methanol (4-Pyrazol-1-ylphenyl)methanol 143426-49-7 C10H10N2O
5-Bromo-1-cyclobutyl-1H-1,2,3-triazole 5-Bromo-1-cyclobutyl-1H-1,2,3-triazole 1889400-28-5 C6H8BrN3
2-(5-Cyclobutyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(5-Cyclobutyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2223036-76-6 C14H21BO2S
Ethanone, 1-[7-[[2-[[4-(4-ethyl-1-piperazinyl)phenyl]amino]-4-pyridinyl]amino]-2,3-dihydro-1H-indol-1-yl]- Ethanone, 1-[7-[[2-[[4-(4-ethyl-1-piperazinyl)phenyl]amino]-4-pyridinyl]amino]-2,3-dihydro-1H-indol-1-yl]- 2919575-27-0 C27H32N6O
2-(2-ethylthiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(2-ethylthiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2364586-64-9 C12H19BO2S
3-Methyl-1-(3-pyridinyl)-1H-pyrazol-4-amine 3-Methyl-1-(3-pyridinyl)-1H-pyrazol-4-amine 1374321-08-0 C9H10N4
2-(Hydroxymethyl)pyrrolidine 2-(Hydroxymethyl)pyrrolidine 498-63-5 C5H11NO
5-neopentyl-2-(p-tolyl)pyridine 5-neopentyl-2-(p-tolyl)pyridine
2-Thiazolamine, 5-bromo-4-(2-fluorophenyl)- 2-Thiazolamine, 5-bromo-4-(2-fluorophenyl)- 1243838-93-8 C9H6BrFN2S
5-(tetrahydrofuran-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 5-(tetrahydrofuran-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 2368225-12-9 C13H20BNO3S
2-(pyridin-3-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine 2-(pyridin-3-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine 2223035-12-7 C15H18BN3O2
1-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 1-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 2241876-08-2 C12H15BD3NO3
4-Amino-2-(pyrazin-2-yl)pyrimidine-5-boronic acid pinacol ester 4-Amino-2-(pyrazin-2-yl)pyrimidine-5-boronic acid pinacol ester 2223035-48-9 C14H18BN5O2
2-Amino-4-phenylpyrimidine-5-boronic acid pinacol ester 2-Amino-4-phenylpyrimidine-5-boronic acid pinacol ester 2223048-71-1 C16H20BN3O2
2-(Pyrrolidin-3-yl)pyrimidine-5-boronic acid pinacol ester 2-(Pyrrolidin-3-yl)pyrimidine-5-boronic acid pinacol ester 2223009-40-1 C14H22BN3O2
2-Trifluoromethyl-4-fluoropyrimidine-5-boronic acid pinacol ester 2-Trifluoromethyl-4-fluoropyrimidine-5-boronic acid pinacol ester 2223049-10-1 C11H13BF4N2O2
2-fluoro-6-(oxetan-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-fluoro-6-(oxetan-3-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223045-61-0 C14H19BFNO3
tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)pyrrolidine-1-carboxylate tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)pyrrolidine-1-carboxylate 2222996-89-4 C18H29BN2O4S
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