4-Ethyl-9-(4-hydroxyphenyl)-1-oxa-4,9-diazaspiro[5,5]undecan-3-one → 1-(3-Bromopropyl)piperidine Hydrobromide

Participants

Reaction Steps

The entitled compound was obtained as a pale yellow solid, according to the same method as in Example 5-(c) or according to a method similar to it but using 4-ethyl-9-(4-hydroxyphenyl)-1-oxa-4,9-diazaspiro[5,5]undecan-3-one obtained in Example 5-3-(b), and (3S)-1-(3-bromopropyl)-3-methylpiperidine hydrobromide obtained in Reference Example 4 in place of 1-(3-bromopropyl)piperidine hydrobromide.

Provenance & Evidence