Home/Compounds/Pharmaceutical Intermediate/Tert-butyl (1R,3S,4S)-3-(6-bromo-1H-benzimidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate
C18H22BrN3O2
392.3 g/mol
Pharmaceutical IntermediateWarning
Tert-butyl (1R,3S,4S)-3-(6-bromo-1H-benzimidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate
CAS1256387-74-2EC800-428-5
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a pharmaceutical intermediate used in the synthesis of Ledipasvir. It features a bicyclic azabicycloheptane core with a benzimidazole ring and a tert-butyl carboxylate protecting group.
Pharmaceutical intermediate for Ledipasvir synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ApplicationSame Use
(6S)-6-[5-(7-Bromo-9,9-difluoro-9H-fluoren-2-yl)-1H-imidazol-2-yl]-5-azaspiro[2.4]heptane-5-carboxylic acid phenylmethyl ester
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ReferenceSame Category
(1R,3S,4S)-tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate
CAS1256387-87-7
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ReferenceSame Category
N-[(1S)-1-[[(6S)-6-[5-(7-Bromo-9,9-difluoro-9H-fluoren-2-yl)-1H-imidazol-2-yl]-5-azaspiro[2.4]hept-5-yl]carbonyl]-2-methylpropyl]carbamic acid methyl ester
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ReferenceSame Category
Ledipasvir Intermediate
CAS1256393-27-7
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ReferenceSame Category
2-methyl-2-(4-vinylphenyl)propanoic acid
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Safety Reference
Warning
H302Harmful if swallowed
H371May cause damage to organs
Customs Tariff Classification
The international HS code for Tert-butyl (1R,3S,4S)-3-(6-bromo-1H-benzimidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate (CAS 1256387-74-2) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
tert-butyl (1R,3S,4S)-3-(6-bromo-1H-benzimidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate
InChIKey
IODPTNKFQCJTSI-NVBFEUDRSA-N
SMILES
CC(C)(C)OC(=O)N1[C@@H]2CC[C@@H](C2)[C@H]1C3=NC4=C(N3)C=C(C=C4)Br
Synonyms (9)
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