Acetic Acid → HCID 178455264, compound

HRID 1404380Notes

Reaction equation

HRID 1404380 reaction equation
[NH2:1][CH2:2][CH2:3][NH:4][C@H:5]1[CH2:10][CH2:9][C@H:8]([CH2:11][C:12]([NH:14][C@H:15]2[CH2:20][C:19]3[CH:21]=[CH:22][CH:23]=[C:24]([C:25]([OH:27])=[O:26])[C:18]=3[O:17][B:16]2[OH:28])=[O:13])[CH2:7][CH2:6]1.C(O)(=O)C.[Si:33]([O:40][CH2:41][CH:42]=O)([C:36]([CH3:39])([CH3:38])[CH3:37])([CH3:35])[CH3:34].C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>CO>[Si:33]([O:40][CH2:41][CH2:42][NH:1][CH2:2][CH2:3][NH:4][C@H:5]1[CH2:10][CH2:9][C@H:8]([CH2:11][C:12]([NH:14][C@H:15]2[CH2:20][C:19]3[CH:21]=[CH:22][CH:23]=[C:24]([C:25]([OH:27])=[O:26])[C:18]=3[O:17][B:16]2[OH:28])=[O:13])[CH2:7][CH2:6]1)([C:36]([CH3:39])([CH3:38])[CH3:37])([CH3:35])[CH3:34]

Participants

6

Reactant 4

HCID 176Acetic AcidHCID 41877882-((Tert-butyldimethylsilyl)oxy)acetaldehydeHCID 5049666Sodium triacetoxyborohydrideHCID 178511351HCID 178511351, compound

Product 1

HCID 178455264HCID 178455264, compound

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

To (R)-3-(2-(trans-4-(2-aminoethylamino)cyclohexyl)acetamido)-2-hydroxy-3,4-dihydro-2H-benzo[e][1,2]oxaborinine-8-carboxylic acid from Example 15 (92 mg) in MeOH (2 mL) was added TEA (70 μL), acetic acid (30 μL), 2-(tert-butyldimethylsilyloxy)acetaldehyde (35 mg) and sodium triacetoxyborohydride (212 mg). The reaction mixture was stirred overnight at RT. Solvent was removed under reduced pressure and the product was carried on to next step without further purification.

Workup

  1. customSolvent was removed under reduced pressure
  2. customthe product was carried on to next step without further purification

Sources & evidence

ORD record
ord-1c3081d5f4ea43a48cee99a1d34c9969
Source dataset
uspto-grants-2014_12
Patent number
US08912169B2

Reaction notes

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