Final steps and purification

The final steps involve any necessary functional group manipulations and the purification of the target compound.

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Elemental analysis Asymmetric synthesis Chemical shifts Column chromatography Characterization Melting point Mass spectrometry Stereochemistry Nuclear magnetic resonance (NMR) spectroscopy Infrared (IR) spectroscopy Solvent distillation Biological testing Retrosynthetic analysis Functional group manipulation Stereochemical Control Biological Evaluation Construction of the Core Structure Reduction and Oxidation Reactions Late-Stage Functionalization Functional Group Transformations Characterization and Analysis Protection and Deprotection De-Protection Start with a suitable starting material Formation of the chalcone core Construction of the pyran ring Elaboration of side chains Introduction of Substituents Formation of the Central Benzo[c]phenanthridine Core Ring Formation and Cyclization Formation of the Spirooxazine Ring Introduction of Side Chains and Functional Groups Late-Stage Functionalizations and Final Steps Verification and Characterization Conversion of D-glucal to a suitable intermediate Cascade Claisen Rearrangement Elaboration of the intermediate Formation of the morphine core

Chemical Baike