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N-[3-(octadecyloxy)-5-[(5-methoxy-5-oxopentyl)oxy]phenyl]-N-[2-(phenylmethoxy)-2-oxoethyl]glycine phenylmethyl ester → N-(carboxymethyl)-N-[3-(octadecyloxy)-5-[(5-methoxy-5-oxopentyl)oxy]phenyl]glycine

HRID 1110255
Notes
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Reaction equation

HRID 1110255 reaction equation
C1(C[O:8][C:9](=[O:57])[CH2:10][N:11]([C:23]2[CH:28]=[C:27]([O:29][CH2:30][CH2:31][CH2:32][CH2:33][C:34]([O:36][CH3:37])=[O:35])[CH:26]=[C:25]([O:38][CH2:39][CH2:40][CH2:41][CH2:42][CH2:43][CH2:44][CH2:45][CH2:46][CH2:47][CH2:48][CH2:49][CH2:50][CH2:51][CH2:52][CH2:53][CH2:54][CH2:55][CH3:56])[CH:24]=2)[CH2:12][C:13]([O:15]CC2C=CC=CC=2)=[O:14])C=CC=CC=1.[H][H]>[Pd].C1COCC1>[C:13]([CH2:12][N:11]([C:23]1[CH:28]=[C:27]([O:29][CH2:30][CH2:31][CH2:32][CH2:33][C:34]([O:36][CH3:37])=[O:35])[CH:26]=[C:25]([O:38][CH2:39][CH2:40][CH2:41][CH2:42][CH2:43][CH2:44][CH2:45][CH2:46][CH2:47][CH2:48][CH2:49][CH2:50][CH2:51][CH2:52][CH2:53][CH2:54][CH2:55][CH3:56])[CH:24]=1)[CH2:10][C:9]([OH:57])=[O:8])([OH:15])=[O:14]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 19388929N-[3-(octadecyloxy)-5-[(5-methoxy-5-oxopentyl)oxy]phenyl]-N-[2-(phenylmethoxy)-2-oxoethyl]glycine phenylmethyl esterHCID 178418361HCID 178418361, compound

Product 1

HCID 19389036N-(carboxymethyl)-N-[3-(octadecyloxy)-5-[(5-methoxy-5-oxopentyl)oxy]phenyl]glycineYield 94.3%

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalyst
HCID 8028
Tetrahydrofuran
Solvent

Procedure

A mixture of 6.5 g of N-[3-(octadecyloxy)-5-[(5-methoxy-5-oxopentyl)oxy]phenyl]-N-[2-(phenylmethoxy)-2-oxoethyl]glycine phenylmethyl ester and 1.5 g of 10% palladium on carbon in 200 ml of THF was stirred in a hydrogen atmosphere at room temperature for 2.5 hours. The catalyst was removed by filtration and the filtrate was concentrated at reduced pressure to a solid which was triturated with hexane. Filtration gave 4.73 g (94% yield, mp 91°-94°) of N-(carboxymethyl)-N-[3-(octadecyloxy)-5-[(5-methoxy-5-oxopentyl)oxy]phenyl]glycine.

Workup

  1. customThe catalyst was removed by filtration
  2. concentrationthe filtrate was concentrated at reduced pressure to a solid which
  3. customwas triturated with hexane
  4. filtrationFiltration

Sources & evidence

ORD record
ord-a73c762627cf46b4a56b8bf20f66d14f
Source dataset
uspto-grants-1994_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05324747

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes