This compound is a protected amino acid derivative used in peptide synthesis. It features a pyrrolidine ring with hydroxyl and ester functional groups, with its stereochemistry defined for specific synthetic applications.
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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Di-tert-butyl (2S,4R)-4-hydroxypyrrolidine-1,2-dicarboxylate
pharmaceutical intermediate
1,2-DI-TERT-BUTYL (2S,4S)-4-HYDROXYPYRROLIDINE-1,2-DICARBOXYLATE
pharmaceutical intermediate
(2R,4S)-1-tert-Butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate
pharmaceutical intermediate
1-tert-Butyl 2-methyl (2S)-2,5-dihydro-1H-pyrrole-1,2-dicarboxylate
pharmaceutical intermediate
1-(4-Aminophenyl)-4-(4-hydroxyphenyl)piperazine
pharmaceutical intermediate
(2R,4R)-1-[(2S)-5-[[Imino(nitroamino)methyl]amino]-2-[[(3-methyl-8-quinolinyl)sulfonyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic acid ethyl ester
pharmaceutical intermediate
(2R,4R)-1-[(2S)-5-[[Imino(nitroamino)methyl]amino]-2-[[(3-methyl-8-quinolinyl)sulfonyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic acid
pharmaceutical intermediate
N-Boc-cis-4-Hydroxy-L-proline methyl ester
pharmaceutical intermediate
The international HS code for (2S,4R)-4-HYDROXYPYRROLIDINE-1,2-DICARBOXYLIC ACID 1-TERT-BUTYL ESTER 2-METHYL ESTER (CAS 74844-91-0) is 2933.99.
2933.99
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1-O-tert-butyl 2-O-methyl (2S,4R)-4-hydroxypyrrolidine-1,2-dicarboxylate
MZMNEDXVUJLQAF-SFYZADRCSA-N
CC(C)(C)OC(=O)N1C[C@@H](C[C@H]1C(=O)OC)O
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