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Trifluoroacetic acid → HCID 59193269, compound

HRID 1922601
Notes
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Reaction equation

HRID 1922601 reaction equation
[C:1]([NH:24][CH:25]([CH3:35])[CH2:26][NH:27]C(=O)OC(C)(C)C)(=[O:23])[CH2:2][CH2:3]/[CH:4]=[CH:5]\[CH2:6]/[CH:7]=[CH:8]\[CH2:9]/[CH:10]=[CH:11]\[CH2:12]/[CH:13]=[CH:14]\[CH2:15]/[CH:16]=[CH:17]\[CH2:18]/[CH:19]=[CH:20]\[CH2:21][CH3:22].C(O)(C(F)(F)F)=O.C([O-])([O-])=O.[Na+].[Na+]>C(Cl)Cl>[NH2:27][CH2:26][CH:25]([NH:24][C:1](=[O:23])[CH2:2][CH2:3]/[CH:4]=[CH:5]\[CH2:6]/[CH:7]=[CH:8]\[CH2:9]/[CH:10]=[CH:11]\[CH2:12]/[CH:13]=[CH:14]\[CH2:15]/[CH:16]=[CH:17]\[CH2:18]/[CH:19]=[CH:20]\[CH2:21][CH3:22])[CH3:35]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6422Trifluoroacetic acidHCID 10340Sodium CarbonateHCID 86639147HCID 86639147, compound

Product 1

HCID 59193269HCID 59193269, compoundYield 98%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Conditions

Temperature
0 °C

Procedure

To a solution of tert-butyl 2-(4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenamidopropylcarbamate (2.10 g, 4.34 mmol) in DCM (100 mL) at 0° C. was slowly added TFA (30 mL). The mixture was stirred (0° C., 2 h), warmed to RT and stirred (16 h). The mixture was basified to pH=10 with saturated aqueous Na2CO3 and extracted with EA (2×200 mL). The combined organic layers were dried over MgSO4, filtered and concentrated under reduced pressure to afford (4Z,7Z,10Z,13Z,16Z,19Z)-N-(1-aminopropan-2-yl)docosa-4,7,10,13,16,19-hexaenamide (1.60 g, 98%) as a light yellow oil. Mass calculated for C25H40N2O=384.6; found: [M+H]+=385.2.

Workup

  1. customat 0° C.
  2. temperaturewarmed to RT
  3. stirringstirred (16 h)
  4. extractionextracted with EA (2×200 mL)
  5. dry with materialThe combined organic layers were dried over MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-71d345ca8d90434d9d2e2677d55e9bfb
Source dataset
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08173831B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes