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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 571868Generated: October 31, 2026

(S)-tert-Butyl 2-(4-amino-3-fluorophenyl)morpholine-4-carboxylate → (S)-4-Chloro-6-cyano-N-(2-fluoro-4-(morpholin-2-yl)phenyl)picolinamide hydrochloride

https://huagongshe.com/reaction/571868

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(S)-tert-Butyl 2-(4-amino-3-fluorophenyl)morpholine-4-carboxylateHCID 68325451—
Reactant4-Chloro-6-cyanopicolinic acidHCID 72212033—
Product(S)-4-Chloro-6-cyano-N-(2-fluoro-4-(morpholin-2-yl)phenyl)picolinamide hydrochlorideHCID 71087318—

Reaction Steps

In analogy to Example 83, step a) using 4-chloro-6-cyano-2-pyridine carboxylic acid (CAS 1060812-13-6) instead of 2-(trifluoromethyl)-4-pyridinecarboxylic acid (CAS 131747-41-6) and (−)-(S)-2-(4-Amino-3-fluoro-phenyl)-morpholine-4-carboxylic acid tert-butyl ester (example 1 step h) instead of (+)-(R)-2-(4-Amino-2-fluoro-phenyl)-morpholine-4-carboxylic acid tert-butyl ester. White solid. MS (ISP): 359.1 ([M+H]+)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09029370B2
Source datasetuspto-grants-2015_05
ORD IDord-63e2fb8be3b04acd9e211e8e55574008
Source noteuspto-grants-2015_05