3-Methoxybenzyl bromide → (r)-2-[4-(3-Methoxy-benzyloxy)-phenoxymethyl]-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 750041Notes

Reaction equation

HRID 750041 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][C@@H:9]1[CH2:13][O:14][C:15]1[CH:20]=[CH:19][C:18]([OH:21])=[CH:17][CH:16]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:22][O:23][C:24]1[CH:25]=[C:26]([CH:29]=[CH:30][CH:31]=1)[CH2:27]Br>>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][C@@H:9]1[CH2:13][O:14][C:15]1[CH:20]=[CH:19][C:18]([O:21][CH2:27][C:26]2[CH:29]=[CH:30][CH:31]=[C:24]([O:23][CH3:22])[CH:25]=2)=[CH:17][CH:16]=1)=[O:7])([CH3:4])([CH3:2])[CH3:3]

Participants

3

Reactant 2

HCID 40672073-Methoxybenzyl bromideHCID 68999591(R)-2-(4-Hydroxy-phenoxymethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

Product 1

HCID 69002553(r)-2-[4-(3-Methoxy-benzyloxy)-phenoxymethyl]-pyrrolidine-1-carboxylic acid tert-butyl esterYield 53.2%

Procedure

Followed the same procedure as that of step 2 in Example 91 with the use of (R)-2-(4-hydroxy-phenoxymethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester (150 mg, 0.5 mmol) and 3-methoxy-benzyl bromide (120 mg, 0.6 mmol) to afford the title product (110 mg, 53% yield); LCMS; 100% APCI+, Calcd: 413.56. Found m/z: 414.29 (M+1). 1H NMR (400 MHz, CDCl3); δ 1.47 (s, 9H), 1.80-2.09 (m, 4H), 3.28-3.46 (m, 2H), 3.69-3.91 (m, 1H), 3.82 (s, 3H), 4.02-4.18 (m 2H), 4.99 (s, 2H), 6.82-6.90 (m, 5H), 6.96-7.05 (m, 2H), 7.26-7.30 (m, 1H).

Sources & evidence

ORD record
ord-852a3f725dd343a7afd33cfee1eafa43
Source dataset
uspto-grants-2008_07
Patent number
US07402684B2

Reaction notes

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