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CAS 33240-34-5
cyclopentylmagnesium bromide
Codes: SOFBR-002, LPHE-001
Application context (from source-drug indications)
HyperhidrosisSofpironium Bromide晕动病L-Phencynonate HydrochlorideCerebral infarctionL-Phencynonate HydrochlorideVertigoL-Phencynonate Hydrochloride
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Sofpironium Bromide | Tier C — Watch / trade | - |
| L-Phencynonate Hydrochloride | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
2-oxo-2-phenylacetic acid→cyclopentylmagnesium bromide→2-cyclopentyl-2-hydroxy-2-phenylacetic acid→(R)-2-cyclopentyl-2-hydroxy-2-phenylacetic acid→(R)-1-methylpyrrolidin-3-ol→(R)-1-methylpyrrolidin-3-yl (R)-2-cyclopentyl-2-hydroxy-2-phenylacetate→(3R)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1-(2-ethoxy-2-oxoethyl)-1-methylpyrrolidin-1-ium bromide
cyclopentylmagnesium bromide→diethyl oxalate→ethyl 2-cyclopentyl-2-oxoacetate→phenylmagnesium bromide→ethyl 2-cyclopentyl-2-hydroxy-2-phenylacetate→2-cyclopentyl-2-hydroxy-2-phenylacetic acid→(S)-1-phenylpropan-2-amine→(S)-1-phenylpropan-2-amine (R)-2-cyclopentyl-2-hydroxy-2-phenylacetate→(R)-2-cyclopentyl-2-hydroxy-2-phenylacetic acid→(R)-methyl 2-cyclopentyl-2-hydroxy-2-phenylacetate→(1R,5S,9s)-3-methyl-3-azabicyclo[3.3.1]nonan-9-ol
Intermediates available on this site
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This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.