Azetidine & Pyrrolidine
Azetidine and pyrrolidine rings are used to tune basicity and three-dimensionality in modern small-molecule design.
CAS 84766-91-6
tert-butyl 2-hydroxypyrrolidine-1-carboxylate
2-羟基-1-吡咯烷羧酸叔丁酯
C9H17NO3
CAS 147489-27-8
(S)-1-Benzyl 2-tert-butyl 4-oxopyrrolidine-1,2-dicarbox…
(S)-1-苄基2-叔-butyl4-氧代吡咯烷-1,2-二甲酸二丙酯
C17H21NO5
CAS 70912-52-6
2,2-Dimethyl-5-(pyrrolidin-2-ylidene)-1,3-dioxane-4,6-d…
2,2-二甲基-5-(吡咯烷-2-亚基)-1,3-二恶烷-4,6-二酮
C10H13NO4
CAS 66065-85-8
2,5-Dioxopyrrolidin-1-yl (2,2,2-trichloroethyl) carbonate
琥珀酰亚胺基2,2,2-三氯乙基碳酸酯
C7H6Cl3NO5
CAS 1361028-94-5
Methyl 4-(3-chloro-7-methoxyquinoxalin-2-yl)oxypyrrolid…
甲基4-(3-氯-7-甲氧基喹喔啉-2-基)羟吡咯烷-2-羧酸盐;盐酸盐
C15H17Cl2N3O4
CAS 64806-05-9
(2R)-1-[(2S)-3-[[(2S)-3-[(2R)-2-carboxypyrrolidin-1-yl]…
卡托普利EP杂质A(卡托普利二硫化物)
C18H28N2O6S2
CAS 935670-07-8
N,N-dimethylazetidin-3-amine hydrochloride
N,N-二甲基氮杂环丁烷-3-胺盐酸盐
C5H13ClN2
CAS 204589-82-2
3-((2S,3R)-2-(4-(Benzyloxy)phenyl)-1-(4-fluorophenyl)-4…
依折麦布杂质44
C25H22FNO4
CAS 84520-67-2
(2S,4R)-1-tert-Butyl 2-methyl 4-((methylsulfonyl)oxy)py…
(2S,4R)-BOC-Γ-甲磺酰基氧甲基脯氨酸甲酯
C12H21NO7S
CAS 96314-28-2
(2S,4R)-1-(tert-Butoxycarbonyl)-4-(tosyloxy)pyrrolidine…
(2S,4R)-1-(叔-丁氧羰基)-4-(甲苯磺酰氧基)吡咯烷-2-羧酸
C17H23NO7S
CAS 356790-44-8
(1-Benzylpyrrolidin-2-yl)diphenylmethanol
(1-苄基吡咯烷-2-基)二苯甲醇
C24H25NO
CAS 1314910-43-4
2-(Azetidin-3-ylidene)acetonitrile hydrochloride
2-(3-氮杂环丁基亚基)乙腈盐酸盐
CAS 16881-39-3
(S)-1-Benzyl 2-tert-butyl pyrrolidine-1,2-dicarboxylate
N-CBZ-L-脯氨酸
C17H23NO4
CAS 1378388-35-2
(3S,5S)-1-(tert-butoxycarbonyl)-5-(methoxycarbonyl)pyrr…
(3S,5S)-1-(叔-丁氧羰基)-5-(甲氧羰基)吡咯烷-3-羧酸
C12H19NO6
CAS 2243041-69-0
(R,E)-3-(1-Methylpyrrolidin-2-yl)acrylic acid hydrochlo…
(R,E)-3-(1-甲基吡咯烷-2-基)丙烯酸盐酸盐
C8H14ClNO2
CAS 1286768-32-8
Methyl (2R)-2-methylpyrrolidine-2-carboxylate hydrochlo…
2-甲基-D-脯氨酸甲酯盐酸盐
C7H14ClNO2
CAS 100243-39-8
(3S)-pyrrolidin-3-ol
(S)-3-吡咯烷醇
C4H9NO
CAS 101385-93-7
tert-butyl 3-oxopyrrolidine-1-carboxylate
叔-丁基3-氧代吡咯烷-1-羧酸盐
C9H15NO3
CAS 101469-92-5
tert-butyl (3S)-3-hydroxypyrrolidine-1-carboxylate
(S)-1-N-叔丁氧羰基-3-羟基吡咯烷
C9H17NO3
CAS 101555-60-6
2-[(2R)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-…
(R)-吡咯烷-2-乙酸盐酸盐
C11H19NO4
CAS 101555-62-8
(2R)-1-(9H-fluoren-9-ylmethoxycarbonyl)pyrrolidine-2-ca…
Fmoc-D-脯氨酸
C20H19NO4
CAS 102195-80-2
1-O-tert-butyl 2-O-methyl (2S)-4-oxopyrrolidine-1,2-dic…
1-O-叔-丁基2-O-甲基(2S)-4-氧代吡咯烷-1,2-二羧酸盐
C11H17NO5
CAS 102767-28-2
(2S)-2-(2-oxopyrrolidin-1-yl)butanamide
左乙拉西坦
C8H14N2O2
CAS 103057-44-9
tert-butyl 3-hydroxypyrrolidine-1-carboxylate
叔-丁基3-羟基吡咯烷-1-羧酸盐
C9H17NO3
CAS 103491-29-8
methyl 1-benzylazetidine-3-carboxylate
甲基1-苄基氮杂环丁烷-3-羧酸盐
C12H15NO2
CAS 104641-59-0
(3S)-1-methylpyrrolidin-3-ol
(S)-(+)-1-甲基-3-羟基吡咯烷
C5H11NO
CAS 104641-60-3
(3R)-1-methylpyrrolidin-3-ol
(R)-(-)-1-甲基-3-羟基吡咯烷
C5H11NO
CAS 104706-47-0
(3R)-pyrrolidin-3-ol;hydrochloride
(<I>R</I>)-3-吡咯烷醇 盐酸盐
C4H10ClNO
CAS 105258-93-3
benzyl 3-oxoazetidine-1-carboxylate
苄基3-氧代氮杂环丁烷-1-羧酸盐
C11H11NO3
CAS 1064194-10-0
tert-butyl 3-bromoazetidine-1-carboxylate
N-BOC-3-溴环丁烷
C8H14BrNO2
CAS 108-27-0
5-methylpyrrolidin-2-one
5-甲基-2-吡咯酮
C5H9NO
CAS 108963-96-8
1-O-tert-butyl 2-O-methyl (2S)-5-oxopyrrolidine-1,2-dic…
Boc-L-焦谷氨酸甲酯
C11H17NO5
CAS 109431-87-0
tert-butyl (3R)-3-hydroxypyrrolidine-1-carboxylate
N-叔丁氧羰基-(R)-3-吡咯烷醇
C9H17NO3
CAS 110925-17-2
3-methoxyazetidine
3-甲氧基氮杂环丁烷
C4H9NO
CAS 111043-48-2
1-methylazetidin-3-ol
1-甲基-3-羟基氮杂环丁烷
C4H9NO
CAS 112068-01-6
diphenyl-[(2S)-pyrrolidin-2-yl]methanol
奈必洛尔杂质28
C17H19NO
CAS 114214-69-6
tert-butyl 3-(hydroxymethyl)pyrrolidine-1-carboxylate
1-Boc-3-羟甲基吡咯烷
C10H19NO3
CAS 114676-69-6
1-O-tert-butyl 2-O-methyl (2R,4R)-4-hydroxypyrrolidine-…
1-O-叔-丁基2-O-甲基(2R,4R)-4-羟基吡咯烷-1,2-二羧酸盐
C11H19NO5
CAS 1148-11-4
(2S)-1-phenylmethoxycarbonylpyrrolidine-2-carboxylic acid
(2S)-1-苯基甲氧羰基吡咯烷-2-羧酸
C13H15NO4
CAS 1153949-11-1
tert-butyl 3-(cyanomethylidene)azetidine-1-carboxylate
巴瑞替尼杂质18
CAS 1158758-77-0
tert-butyl 3-amino-3-methylazetidine-1-carboxylate
1-BOC-3-氨基-3-甲基吖啶
C9H18N2O2
CAS 116574-74-4
3-fluoropyrrolidine
3-FLUOROPYRROLIDINE HYDROCHLORIDE
C4H8FN
CAS 1192-63-8
pyrrolidine-1-carbonyl chloride
吡咯烷-1-碳酰氯
C5H8ClNO
CAS 1198-97-6
4-phenylpyrrolidin-2-one
4-苯吡咯烷-2-酮
C10H11NO
CAS 120-94-5
1-methylpyrrolidine
头孢吡肟杂质1
C5H11N
CAS 120099-61-8
(3S)-3-methoxypyrrolidine
(S)-3-甲氧基吡咯烷
C5H11NO
CAS 1218935-60-4
(2R)-2-(2,5-difluorophenyl)pyrrolidine;hydrochloride
(R)-2-(2,5-二氟苯基)吡咯烷盐酸盐
C10H12ClF2N
CAS 122536-73-6
benzyl (3R)-3-aminopyrrolidine-1-carboxylate
(R)-1-苄氧羰基-3-氨基吡咯烷
C12H16N2O2
CAS 122536-76-9
tert-butyl N-[(3S)-pyrrolidin-3-yl]carbamate
(S)-3-叔丁氧羰基氨基吡咯烷
C9H18N2O2
CAS 122536-94-1
(3S)-pyrrolidin-3-ol;hydrochloride
(S)-(+)-3-羟基吡咯烷盐酸盐
C4H10ClNO
CAS 122684-33-7
1-O-tert-butyl 3-O-methyl pyrrolidine-1,3-dicarboxylate
1-O-叔-丁基3-O-甲基吡咯烷-1,3-二羧酸盐
C11H19NO4
CAS 122996-47-8
(2S,4S)-1-(9H-fluoren-9-ylmethoxycarbonyl)-4-[(2-methyl…
Fmoc-4-叔丁氧基-L-脯氨酸
C24H27NO5
CAS 123-56-8
pyrrolidine-2,5-dione
阿格列汀杂质33
C4H5NO2
CAS 123-75-1
pyrrolidine
四氢吡咯
C4H9N
CAS 1250004-31-9
3-cyclopropylpyrrolidine
3-环丙基吡咯烷
C7H13N
CAS 128117-22-6
benzyl 3-hydroxyazetidine-1-carboxylate
苄基3-羟基氮杂环丁烷-1-羧酸盐
C11H13NO3
CAS 128811-48-3
1-O-tert-butyl 2-O-methyl (2R)-5-oxopyrrolidine-1,2-dic…
Boc-D-焦谷氨酸甲酯
C11H17NO5
CAS 130312-02-6
benzyl 3-oxopyrrolidine-1-carboxylate
苄基3-氧代吡咯烷-1-羧酸盐
C12H13NO3
CAS 13220-33-2
1-methylpyrrolidin-3-ol
3-羟基-1-甲基四氢吡咯
C5H11NO
CAS 13283-82-4
(1,1-dimethylpyrrolidin-1-ium-3-yl) 2-cyclopentyl-2-hyd…
(1,1-二甲基吡咯烷-1-鎓-3-基)2-环戊基-2-羟基-2-苯乙酸
C19H28NO3
CAS 132945-76-7
tert-butyl (3R)-3-cyanopyrrolidine-1-carboxylate
叔-丁基(3R)-3-氰基吡咯烷-1-羧酸盐
CAS 1354792-76-9
3-(difluoromethyl)azetidine;hydrochloride
3-(二氟甲基)吖丁啶盐酸
C4H8ClF2N
CAS 13603-04-8
2,4-dimethylpyrrolidine
2,4-二甲基吡咯烷
C6H13N
CAS 136725-50-3
3-methoxypyrrolidine;hydrochloride
3-甲氧基吡咯烷盐酸盐
C5H12ClNO
CAS 136725-53-6
(3S)-3-fluoropyrrolidine;hydrochloride
(3S)-3-氟吡咯烷盐酸盐
C4H9ClFN
CAS 13726-69-7
(2S,4R)-4-hydroxy-1-[(2-methylpropan-2-yl)oxycarbonyl]p…
Boc-羟脯氨酸-OH
C10H17NO5
CAS 1400764-60-4
3-methylsulfonylazetidine;hydrochloride
3-(甲基磺酰基)氮杂环丁烷盐酸盐
C4H10ClNO2S
CAS 140148-70-5
(3S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-3-…
(S)-1-BOC-吡咯烷-3-甲酸
C10H17NO4
CAS 1408074-83-8
tert-butyl 4-amino-3,3-difluoropyrrolidine-1-carboxylate
1408074-83-8
C9H16F2N2O2
CAS 141699-55-0
tert-butyl 3-hydroxyazetidine-1-carboxylate
N-Boc-3-羟基氮杂环丁烷
C8H15NO3
CAS 142253-54-1
tert-butyl 3-cyanoazetidine-1-carboxylate
1-Boc-3-氰基氮杂环丁烷
CAS 142253-55-2
1-[(2-methylpropan-2-yl)oxycarbonyl]azetidine-3-carboxy…
1-[(2-甲基丙烷-2-基)氧羰基]氮杂环丁烷-3-羧酸
C9H15NO4
CAS 142253-56-3
tert-butyl 3-(hydroxymethyl)azetidine-1-carboxylate
3-羟甲基氮杂环丁烷-1-羧酸叔丁酯
C9H17NO3
CAS 144978-12-1
1-O-tert-butyl 2-O-ethyl (2S)-5-oxopyrrolidine-1,2-dica…
阿维巴坦杂质15
C12H19NO5
CAS 1462921-50-1
1-(3-aminoazetidin-1-yl)ethanone;hydrochloride
1-(3-氨基氮杂环丁烷-1-基)乙酮盐酸盐
C5H11ClN2O
CAS 147081-44-5
tert-butyl (3S)-3-aminopyrrolidine-1-carboxylate
(S)-1-叔丁氧羰基-3-氨基吡咯烷
C9H18N2O2
CAS 147081-49-0
tert-butyl (3R)-3-aminopyrrolidine-1-carboxylate
(R)-1-Boc-3-氨基吡咯烷
C9H18N2O2
CAS 148644-09-1
3-methoxyazetidine;hydrochloride
3-甲氧基氮杂环丁烷盐酸盐
C4H10ClNO
CAS 152537-03-6
tert-butyl 3-(2-hydroxyethyl)azetidine-1-carboxylate
3-(2-羟基乙基)氮杂丁烷-1-羧酸叔丁酯
C10H19NO3
CAS 15761-39-4
(2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-…
(2S)-1-[(2-甲基丙烷-2-基)氧羰基]吡咯烷-2-羧酸
C10H17NO4
CAS 163457-23-6
3,3-difluoropyrrolidine;hydrochloride
3,3-二氟吡咯烷盐酸
C4H8ClF2N
CAS 166410-05-5
ditert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate
迪特-丁基(2S)-4-氧代吡咯烷-1,2-二羧酸盐
C14H23NO5
CAS 17012-21-4
methyl 1-benzylpyrrolidine-3-carboxylate
N-苄基吡咯烷-3-甲酸甲酯
C13H17NO2
CAS 17342-08-4
(5S)-5-(hydroxymethyl)pyrrolidin-2-one
(5S)-5-(羟甲基)吡咯烷-2-酮
C5H9NO2
CAS 174500-74-4
(2S)-2-methylpyrrolidine;hydrochloride
(S)-2-甲基吡咯烷盐酸盐
C5H12ClN
CAS 175463-32-8
tert-butyl 3-cyano-4-oxopyrrolidine-1-carboxylate
叔-丁基3-氰基-4-氧代吡咯烷-1-羧酸盐
CAS 175526-97-3
2-[1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-3-yl]…
1-BOC-3-吡咯烷乙酸
C11H19NO4
CAS 177947-96-5
tert-butyl 3-formylazetidine-1-carboxylate
3-甲酰基氮杂环丁烷-1-羧酸叔丁酯
C9H15NO3
CAS 1807350-90-8
ethyl (3R)-pyrrolidine-3-carboxylate;hydrochloride
乙基(3R)-吡咯烷-3-羧酸盐;盐酸盐
C7H14ClNO2
CAS 18190-44-8
1-(2-hydroxyethyl)pyrrolidine-2,5-dione
1-(2-羟乙基)吡咯烷-2,5-二酮
C6H9NO3
CAS 183062-96-6
2-[1-[(2-methylpropan-2-yl)oxycarbonyl]azetidin-3-yl]ac…
1-(叔丁氧基羰基)氮杂环丁烷-3-乙酸
C10H17NO4
CAS 18471-40-4
1-benzylpyrrolidin-3-amine
1-苄基-3-氨基吡咯烷
C11H16N2
CAS 18621-17-5
1-benzhydrylazetidin-3-ol
1-二苯甲基氮杂环丁烷-3-ol
C16H17NO
CAS 18621-18-6
azetidin-3-ol;hydrochloride
氮杂环丁烷-3-醇盐酸盐
C3H8ClNO
CAS 186550-13-0
tert-butyl 3-aminopyrrolidine-1-carboxylate
3-氨基吡咯烷-1-羧酸叔丁酯
C9H18N2O2
CAS 187039-57-2
(2S,3S)-3-hydroxy-1-[(2-methylpropan-2-yl)oxycarbonyl]p…
(2S,3S)-3-羟基-1,2-吡咯烷二甲酸1-叔丁酯
C10H17NO5
CAS 190792-74-6
tert-butyl (3S,4S)-3-amino-4-hydroxypyrrolidine-1-carbo…
(3S,4S)-N-Boc-3-氨基-4-羟基吡咯烷
C9H18N2O3
CAS 192214-06-5
(3R)-1-phenylmethoxycarbonylpyrrolidine-3-carboxylic acid
(R)-1-CBZ-3-羧基吡咯烷
C13H15NO4
CAS 193269-78-2
tert-butyl 3-aminoazetidine-1-carboxylate
1-叔丁氧羰基-3-胺基环丁胺
C8H16N2O2
CAS 198959-37-4
methyl pyrrolidine-3-carboxylate;hydrochloride
甲基3-吡咯烷-甲酸甲酯盐酸盐
C6H12ClNO2
CAS 199174-24-8
tert-butyl (3S)-3-(hydroxymethyl)pyrrolidine-1-carboxylate
(S)-1-BOC-3-羟甲基吡咯烷
C10H19NO3
CAS 199174-29-3
tert-butyl (3R)-3-(aminomethyl)pyrrolidine-1-carboxylate
(R)-1-Boc-3-氨甲基吡咯烷
C10H20N2O2
CAS 199175-10-5
tert-butyl (3S)-3-(aminomethyl)pyrrolidine-1-carboxylate
(S)-1-Boc-3-氨甲基吡咯烷
C10H20N2O2
CAS 203866-13-1
(2S,4S)-4-fluoro-1-[(2-methylpropan-2-yl)oxycarbonyl]py…
(2S,4S)-N-Boc-顺式-4-氟-L-脯氨酸
C10H16FNO4
CAS 203866-14-2
(2S,4R)-4-fluoro-1-[(2-methylpropan-2-yl)oxycarbonyl]py…
(2R,4S)-N-BOC-4-氟-D-脯氨酸
C10H16FNO4
CAS 204688-60-8
2-[(3R)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-…
(R)-N-Boc-3-四氢吡咯乙酸
C11H19NO4
CAS 204688-61-9
2-[(3S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-…
(S)-N-Boc-3-四氢吡咯乙酸
C11H19NO4
CAS 205524-46-5
tert-butyl (2R)-5-oxopyrrolidine-2-carboxylate
D-焦谷氨酸叔丁酯
C9H15NO3
CAS 2133-40-6
methyl (2S)-pyrrolidine-2-carboxylate;hydrochloride
H-脯氨酸-OMe盐酸盐
C6H12ClNO2
CAS 21462-39-5
(2S,4R)-N-[2-chloro-1-[(2R,3R,4S,5R,6R)-3,4,5-trihydrox…
盐酸克林霉素
C18H34Cl2N2O5S
CAS 217806-26-3
tert-butyl N-(azetidin-3-yl)carbamate;hydrochloride
氮杂环丁烷-3-氨基甲酸叔丁酯盐酸盐
C8H17ClN2O2
CAS 22348-32-9
diphenyl-[(2R)-pyrrolidin-2-yl]methanol
联苯-[(2R)-吡咯烷-2-基]甲醇
C17H19NO
CAS 23159-07-1
3-pyrrolidin-1-ylpropan-1-amine
1-(3-氨基丙基)吡咯烷
C7H16N2
CAS 23356-96-9
[(2S)-pyrrolidin-2-yl]methanol
阿伐那非杂质75
C5H11NO
CAS 235093-98-8
(3R)-3-methylpyrrolidine;hydrochloride
(R)-3-甲基吡咯烷盐酸盐
C5H12ClN
CAS 253176-93-1
tert-butyl 3-(bromomethyl)azetidine-1-carboxylate
1-BOC-3-(溴甲基)氮杂环丁烷
C9H16BrNO2
CAS 254454-54-1
tert-butyl 3-iodoazetidine-1-carboxylate
叔-丁基3-碘吖丁啶-1-羧酸盐
C8H14INO2
CAS 2555-05-7
3-methylpyrrolidin-2-one
3-甲基-2-吡咯烷酮
C5H9NO
CAS 25747-41-5
4-hydroxypyrrolidin-2-one
4-羟基-2-吡咯烷酮
C4H7NO2
CAS 2584-71-6
(2R,4R)-4-hydroxypyrrolidine-2-carboxylic acid
顺式-4-羟基-D-脯氨酸
C5H9NO3
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