1-Hydroxybenzotriazole → methyl 6-[(3R,4S)-3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-phenylpyrrolidin-3-yl)-6-oxohexanoate

HRID 732628Notes

Reaction equation

HRID 732628 reaction equation
CCN=C=NCCCN(C)C.Cl.C1C=CC2N(O)N=NC=2C=1.[C:23]1([C@H:33]([N:35]([CH2:43][C@@H:44]2[C@@H:48]([C:49]3[CH:54]=[CH:53][CH:52]=[CH:51][CH:50]=3)[CH2:47][NH:46][CH2:45]2)[C:36](=[O:42])[O:37][C:38]([CH3:41])([CH3:40])[CH3:39])[CH3:34])[C:32]2[C:27](=[CH:28][CH:29]=[CH:30][CH:31]=2)[CH:26]=[CH:25][CH:24]=1.[C:55]([O:64][CH3:65])(=[O:63])[CH2:56][CH2:57][CH2:58][CH2:59][C:60]([O-])=[O:61]>ClCCl.C(N(CC)CC)C>[C:38]([O:37][C:36]([N:35]([CH2:43][C@@:44]1([C:60](=[O:61])[CH2:59][CH2:58][CH2:57][CH2:56][C:55]([O:64][CH3:65])=[O:63])[C@H:48]([C:49]2[CH:50]=[CH:51][CH:52]=[CH:53][CH:54]=2)[CH2:47][NH:46][CH2:45]1)[C@@H:33]([C:23]1[C:32]2[C:27](=[CH:28][CH:29]=[CH:30][CH:31]=2)[CH:26]=[CH:25][CH:24]=1)[CH3:34])=[O:42])([CH3:40])([CH3:41])[CH3:39]

Participants

7

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 6994472Methyl adipateHCID 86628525tert-butyl [(1R)-1-(1-naphthyl)ethyl]{[(3R,4S)-4-phenylpyrrolidin-3-yl]methyl}carbamate

Product 1

HCID 68910563methyl 6-[(3R,4S)-3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-phenylpyrrolidin-3-yl)-6-oxohexanoateYield 94.4%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 8471TriethylamineSolvent

Procedure

At room temperature, 144 mg of WSC hydrochloride, 101 mg of HOBt, 215 mg of tert-butyl [(1R)-1-(1-naphthyl)ethyl]{[(3R,4S)-4-phenylpyrrolidin-3-yl]methyl}carbamate and 0.08 ml of triethylamine were added in that order to a mixture of 80 mg of monomethyl adipate and 5 ml of dichloromethane and stirred for 3 days, and then the reaction was quenched by adding water, and this was extracted with chloroform and washed with saturated brine. The organic layer was dried with anhydrous sodium sulfate and concentrated under a reduced pressure. The thus obtained residue was purified by a silica gel column chromatography (chloroform-methanol) to obtain 270 mg of methyl 6-[(3R,4S)-3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-phenylpyrrolidin-3-yl)-6-oxohexanoate as a colorless amorphous substance. FP: 573.

Workup

  1. customthe reaction was quenched
  2. additionby adding water
  3. extractionthis was extracted with chloroform
  4. washwashed with saturated brine
  5. dry with materialThe organic layer was dried with anhydrous sodium sulfate
  6. concentrationconcentrated under a reduced pressure
  7. customThe thus obtained residue was purified by a silica gel column chromatography (chloroform-methanol)

Sources & evidence

ORD record
ord-00962627a1714f879a9340bd89d80212
Source dataset
uspto-grants-2009_09
Patent number
US07585886B2

Reaction notes

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