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CAS 157688-46-5
2-(1-(tert-butoxycarbonyl)piperidin-4-yl)acetic acid
Codes: LONA-008
Application context (from source-drug indications)
早衰综合征Lonafarnib丁型肝炎Lonafarnib幕上肿瘤Lonafarnib神经胶质肉瘤Lonafarnib慢性丁型肝炎LonafarnibNon-small cell lung cancerLonafarnib
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Lonafarnib | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
ethyl 4-(3-bromo-8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate→ethyl 4-(3-bromo-8-chloro-9-nitro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate→ethyl 4-(9-amino-3-bromo-8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate→ethyl 4-(9-amino-3,10-dibromo-8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate→ethyl 4-(3,10-dibromo-8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate→3,10-dibromo-8-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine→(R)-3,10-dibromo-8-chloro-11-(piperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine→2-(1-(tert-butoxycarbonyl)piperidin-4-yl)acetic acid→tert-butyl (R)-4-(2-(4-(3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidin-1-yl)-2-oxoethyl)piperidine-1-carboxylate→(R)-1-(4-(3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidin-1-yl)-2-(piperidin-4-yl)ethan-1-one
2-(1-(tert-butoxycarbonyl)piperidin-4-yl)acetic acid→tert-butyl (R)-4-(2-(4-(3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidin-1-yl)-2-oxoethyl)piperidine-1-carboxylate→(R)-1-(4-(3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidin-1-yl)-2-(piperidin-4-yl)ethan-1-one→3-bromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine→3-bromo-8-chloro-7-nitro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine→3-bromo-8-chloro-9-nitro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine→3-bromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-7-amine→3-bromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-9-amine→3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-7-amine→3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-9-amine→3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine→tert-butyl 4-((methylsulfonyl)oxy)piperidine-1-carboxylate→tert-butyl (R)-4-(3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidine-1-carboxylate→tert-butyl (R)-4-(2-(4-(3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidin-1-yl)-2-oxoethyl)piperidine-1-carboxylate acetyl-L-phenylalaninate
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