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| Formula | C17H19NO |
| Molar mass | 253.345 g·mol−1 |
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3-Benzhydrylmorpholine is a drug that was developed byAmerican Home Products in the 1950s.[1] It hasstimulant andanorectic effects and is related to bothpipradrol andphenmetrazine.
The Ethyl ester of β-Phenylphenylalanine (Diphenylalanine), i.e. ethyl 2-amino-3,3-diphenylpropanoate (CID:101017845) (1) is the starting material. Lithium aluminium hydride reduction of the ester to the primary alcohol gives 2-amino-3,3-diphenylpropan-1-ol,CID:15798949 (2). Acylation of the primary amine with chloroacetyl chloride [79-04-9] (3) gives 2-chloro-N-(3-hydroxy-1,1-diphenylpropan-2-yl)acetamide (4). Base catalyzed ring closure affords the lactam, i.e. 5-benzhydrylmorpholin-3-one (5). Further treatment with lithium aluminium hydride reduces the lactam function to the morpholine ring, thus 3-benzhydrylmorpholine is formed (6).
