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3-fluoro-1-propan-2-yloxycarbonylcyclobutane-1-carboxylic acid structure

3-fluoro-1-propan-2-yloxycarbonylcyclobutane-1-carboxylic acid

CAS 1403766-90-4

Cyclobutane scaffold Carboxylic acid Small-ring building block Pharmaceutical intermediate

3-aminooxetane-3-carbonitrile;hydrochloride structure

3-aminooxetane-3-carbonitrile;hydrochloride

CAS 1818847-73-2

Oxetane scaffold Hydrochloride salt Heterocyclic building block Pharmaceutical intermediate

tert-butyl 3-amino-3-(trifluoromethyl)azetidine-1-carboxylate structure

tert-butyl 3-amino-3-(trifluoromethyl)azetidine-1-carboxylate

CAS 1258652-24-2

Azetidine scaffold Boc-protected amine Fluorinated heterocyclic building block Pharmaceutical intermediate

Spiro[2.3]hexan-5-one structure

Spiro[2.3]hexan-5-one

Cyclopropane-cyclobutane system Ketone Small-ring building block Pharmaceutical intermediate

Methyl 5,8-dioxaspiro[3.4]octane-2-carboxylate structure

Methyl 5,8-dioxaspiro[3.4]octane-2-carboxylate

CAS 1037175-81-7

Dioxaspiro scaffold Acetal Spirocyclic building block Pharmaceutical intermediate

tert-butyl N-[3,3-difluoro-1-(hydroxymethyl)cyclobutyl]carbamate structure

tert-butyl N-[3,3-difluoro-1-(hydroxymethyl)cyclobutyl]carbamate

CAS 1232365-42-2

Cyclobutane scaffold Boc-protected amine Fluorinated small-ring building block Pharmaceutical intermediate

tert-butyl N-[3-fluoro-1-(hydroxymethyl)cyclobutyl]carbamate structure

tert-butyl N-[3-fluoro-1-(hydroxymethyl)cyclobutyl]carbamate

CAS 1232365-48-8

Cyclobutane scaffold Boc-protected amine Fluorinated small-ring building block Pharmaceutical intermediate

5,8-dioxaspiro[3.4]octan-2-ylmethanol structure

5,8-dioxaspiro[3.4]octan-2-ylmethanol

CAS 545882-60-8

Dioxaspiro scaffold Acetal Spirocyclic building block Pharmaceutical intermediate

methyl azetidine-2-carboxylate;hydrochloride structure

methyl azetidine-2-carboxylate;hydrochloride

CAS 162698-26-2

Azetidine scaffold Hydrochloride salt Heterocyclic building block Pharmaceutical intermediate

(1S,5R)-8-methyl-8-azabicyclo[3.2.1]octan-3-amine structure

(1S,5R)-8-methyl-8-azabicyclo[3.2.1]octan-3-amine

Bridged amine Primary amine Chiral amine building block Pharmaceutical intermediate

spiro[3.3]heptan-2-one structure

spiro[3.3]heptan-2-one

Spiro[3.3]heptane scaffold Ketone Spirocyclic building block Pharmaceutical intermediate

2-oxaspiro[3.3]heptan-6-one structure

2-oxaspiro[3.3]heptan-6-one

CAS 1339892-66-8

Oxaspiro scaffold Ketone Spirocyclic building block Pharmaceutical intermediate

tert-Butyl 2-(((tert-butyldiphenylsilyl)oxy)methyl)-3-formylazetidine-1-carboxylate structure

tert-Butyl 2-(((tert-butyldiphenylsilyl)oxy)methyl)-3-formylazetidine-1-carboxylate

CAS 1638771-11-5

Azetidine scaffold Aldehyde Protected heterocyclic intermediate Pharmaceutical intermediate

tert-butyl N-[(3-hydroxycyclobutyl)methyl]carbamate structure

tert-butyl N-[(3-hydroxycyclobutyl)methyl]carbamate

CAS 917827-92-0

Cyclobutane scaffold Alcohol Small-ring building block Pharmaceutical intermediate

tert-Butyl5,5-difluoro-2,7-diazaspiro[3.5]nonane-2-carboxylate structure

tert-Butyl5,5-difluoro-2,7-diazaspiro[3.5]nonane-2-carboxylate

CAS 2007920-32-1

Diazaspiro scaffold Boc-protected amine Fluorinated heterocyclic building block Pharmaceutical intermediate

1-Amino-3-fluorocyclobutanecarboxylic acid structure

1-Amino-3-fluorocyclobutanecarboxylic acid

Cyclobutane scaffold Amino acid Small-ring building block Pharmaceutical intermediate

(cis-3-Aminocyclobutyl)methanol hydrochloride structure

(cis-3-Aminocyclobutyl)methanol hydrochloride

CAS 142733-65-1

Cyclobutane scaffold Alcohol Small-ring amine building block Pharmaceutical intermediate

3,3-Dimethylcyclobutanecarboxylic acid structure

3,3-Dimethylcyclobutanecarboxylic acid

Cyclobutane scaffold Carboxylic acid Small-ring building block Pharmaceutical intermediate

tert-Butyl (cis-3-(hydroxymethyl)cyclobutyl)carbamate structure

tert-Butyl (cis-3-(hydroxymethyl)cyclobutyl)carbamate

CAS 142733-64-0

Cyclobutane scaffold Boc-protected amine Protected small-ring amine Pharmaceutical intermediate

3-Bromotetrahydrofuran structure

3-Bromotetrahydrofuran

Tetrahydrofuran scaffold Alkyl bromide Halogenated heterocyclic building block Pharmaceutical intermediate

tert-butyl 3-(aminomethyl)-1-oxa-9-azaspiro[4.5]decane-9-carboxylate structure

tert-butyl 3-(aminomethyl)-1-oxa-9-azaspiro[4.5]decane-9-carboxylate

CAS 1160247-18-6

Oxa-azaspiro scaffold Aminomethyl group Spiro heterocyclic building block Pharmaceutical intermediate

3-(Difluoromethyl)azetidine hydrochloride structure

3-(Difluoromethyl)azetidine hydrochloride

CAS 1354792-76-9

Azetidine scaffold Difluoromethyl group Fluorinated heterocyclic building block Pharmaceutical intermediate

(2S,4S)-4-phenylsulfanylpyrrolidine-2-carboxylic acid;hydrochloride structure

(2S,4S)-4-phenylsulfanylpyrrolidine-2-carboxylic acid;hydrochloride

CAS 105107-84-4

Proline scaffold Carboxylic acid Chiral amino acid building block Pharmaceutical intermediate

3-Methyl-3-azetidinecarboxylic acid methyl ester hydrochloride structure

3-Methyl-3-azetidinecarboxylic acid methyl ester hydrochloride

CAS 1114876-08-2

Azetidine scaffold Hydrochloride salt Heterocyclic ester building block Pharmaceutical intermediate