1-Hydroxybenzotriazole → HCID 69061040, compound

HRID 2103767Notes

Reaction equation

HRID 2103767 reaction equation
[CH3:1][C:2]([CH3:21])([CH3:20])[C:3]([C:5]1[O:6][C:7]2[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][C:8]=2[C:9]=1[CH2:10][C:11]([OH:13])=O)=[O:4].C1C=CC2N(O)N=NC=2C=1.[CH2:32]([C@H:35]1[CH2:39][CH2:38][C@H:37]([CH2:40][CH2:41][CH3:42])[NH:36]1)[CH2:33][CH3:34].CCN(C(C)C)C(C)C>CN(C=O)C.C(Cl)CCl>[CH2:32]([C@H:35]1[CH2:39][CH2:38][C@H:37]([CH2:40][CH2:41][CH3:42])[N:36]1[C:11](=[O:13])[CH2:10][C:9]1[C:8]2[CH:14]=[C:15]([O:18][CH3:19])[CH:16]=[CH:17][C:7]=2[O:6][C:5]=1[C:3](=[O:4])[C:2]([CH3:20])([CH3:1])[CH3:21])[CH2:33][CH3:34]

Participants

7

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 57804476[2-(2,2-Dimethylpropanoyl)-5-methoxy-1-benzofuran-3-yl]acetic acidHCID 68878306HCID 68878306, compound

Product 1

HCID 69061040HCID 69061040, compound

Reagents, catalysts & solvents 2

HCID 111,2-DichloroethaneSolventHCID 6228DimethylformamideSolvent

Conditions

Temperature
40 °C

Procedure

Dissolve a mixture of 17 mg [2-(2,2-dimethylpropanoyl)-5-methoxy-1-benzofuran-3-yl]acetic acid from the Step B Example 1 and 18.5 mg HOBt in 1 mL dry DMF. Add 13.7 mg trans-2,5-dipropylpyrrolidine from the Step D above followed by 23.0 mg EDC and 35 μL DIEA. This solution was heated at 40° C. for 2 hours. It was purified directly on RP-HPLC using 70-100% MeCN gradient. The fractions containing pure product were pooled and lyophilized to give the title compound. LC-MS: 4.58 min. (m/Z 428.3, 344.2, 450.3).

Workup

  1. dissolutionDissolve
  2. customIt was purified directly on RP-HPLC using 70-100% MeCN gradient
  3. additionThe fractions containing pure product

Sources & evidence

ORD record
ord-60fcdcb7e2b84ee1ad7c5aa7b32751a7
Source dataset
uspto-grants-2009_08
Patent number
US07576122B2

Reaction notes

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