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Triphenylphosphine → HCID 18767693, compound

HRID 480150
Notes
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Reaction equation

HRID 480150 reaction equation
[C:1]([CH2:3][CH2:4][NH:5][C:6](=O)[CH2:7][CH2:8][C:9]12[CH2:16][CH2:15][C:12]([C:17]3[NH:25][C:24]4[C:23](=[O:26])[N:22]([CH2:27][CH2:28][CH3:29])[C:21](=[O:30])[N:20]([CH2:31][CH2:32][CH3:33])[C:19]=4[N:18]=3)([CH2:13][CH2:14]1)[CH2:11][CH2:10]2)#[N:2].C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Si]([N:58]=[N+:59]=[N-:60])(C)(C)C.CCOC(/N=N/C(OCC)=O)=O>C1COCC1>[O:30]=[C:21]1[N:20]([CH2:31][CH2:32][CH3:33])[C:19]2[N:18]=[C:17]([C:12]34[CH2:15][CH2:16][C:9]([CH2:8][CH2:7][C:6]5[N:5]([CH2:4][CH2:3][C:1]#[N:2])[N:60]=[N:59][N:58]=5)([CH2:14][CH2:13]3)[CH2:10][CH2:11]4)[NH:25][C:24]=2[C:23](=[O:26])[N:22]1[CH2:27][CH2:28][CH3:29]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 11776TriphenylphosphineHCID 78378AzidotrimethylsilaneHCID 5462977Diethyl azodicarboxylateHCID 18767616HCID 18767616, compound

Product 1

HCID 18767693HCID 18767693, compoundYield 3.8%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

A solution of N-(2-cyano-ethyl)-3-[4-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]oct-1-yl]-propionamide (500 mg, 1.06 mmol, 1.0 eq), Ph3P (2.0 eq, 2.13 mmol, 560 mg), TMSN3 (2.0 eq, 2.13 mmol, 245 mg), and DEAD (2.0 eq, 2.13 mmol, 371 mg) in THF (10 ml) was stirred at rt for 24 h. The reaction vessel was re-charged with the reagent cocktail (2.0 eq, 2.13 mmol) and stirring was continued for an additional 24 h. The reaction was quenched by the addition of a 5% aqueous solution of (NH4)2Ce(NO3)6 and extracted with EtOAc. The combined organic extracts were washed with brine, dried over MgSO4, filtered and evaporated in vacuo to afford a viscous orange oil. A portion of the material was purified by preparative LC to afford 20 mg of pure material. MS: 494 (MH+).

Workup

  1. additionThe reaction vessel was re-charged with the reagent cocktail (2.0 eq, 2.13 mmol)
  2. customThe reaction was quenched by the addition of a 5% aqueous solution of (NH4)2Ce(NO3)6
  3. extractionextracted with EtOAc
  4. washThe combined organic extracts were washed with brine
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. customevaporated in vacuo
  8. customto afford a viscous orange oil
  9. customA portion of the material was purified by preparative LC

Sources & evidence

ORD record
ord-39fd8894da9545d5a2f514953ce67010
Source dataset
uspto-grants-2003_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06649600B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes