Амфетамин из фенилаланина

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Амфетамин из фенилаланина

There are two routes that have been previously investigated and are documented on Rhodiums website and I am sure everyone reading this has seen. Then proceeds to protect the amine function, with a carbobenzyloxy Cbz group. Reduction with lithium aluminium hydride affords methamphetamine, all steps proceed with retention of configuration so if one started with D-phenylalanine one would end up with the required S enantiomer. Triflouroacetic acid removes the BOC protection to leave amphetamine. Also this method proceeds with retention of configuration if you started with D-phenylalanine you would end up with the required S enantiomer. Now obviously those are not OTC, and require multi-step synthesis using some nasty chems. I was hoping to investigate some of the newer more relavent methods that are not the same as above. If anyone wants to add anything please feel free. Phenylalanine can be treated with nitrous acid to produce phenyllactic acid, nitrous acid is produced from sodium nitrite and any mineral acid. Strecker degradation of phenylalanine with sodium hypophosphite should return a better yield of phenylacetaldehyde than the procedure above. Also alpha methylation of phenylalanine as previously discussed after strecker degradation yields phenylacetone. From here I have seen much controversy, many loosely thrown accusations of reducing phenylalaninol with Hydroiodic acid to amphetamine. He was actually quietly telling members via PM to do it, the results were verified via hp chromatography he said. A highly regarded member also wrote this at science madness, adding to the confusion;. To clear this up for good! Javas comments are true but.. Decreasing the red-p and increasing the reflux to 35 hours will have no effect except the reaction rate will be decreased one third. Then reductive dehalogenation, is carried out with LAH or raney nickel to yield amphetamine. N-methylation should proceed swiftly at this point! Table of Contents Historically. Article Discussion Show pagesource Old revisions. Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.

Амфетамин из фенилаланина

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