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Triethylamine → 2-(7-Cyano-1-heptynyl)-Adenosine

HRID 586124
Notes
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Reaction equation

HRID 586124 reaction equation
I[C:2]1[N:3]=[C:4]([NH2:20])[C:5]2[N:6]=[CH:7][N:8]([C:18]=2[N:19]=1)[C@@H:9]1[O:17][C@H:14]([CH2:15][OH:16])[C@@H:12]([OH:13])[C@H:10]1[OH:11].C(N(CC)CC)C.[C:28]([CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][C:35]#[CH:36])#[N:29]>CN(C)C=O.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[C:28]([CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][C:35]#[C:36][C:2]1[N:3]=[C:4]([NH2:20])[C:5]2[N:6]=[CH:7][N:8]([C:18]=2[N:19]=1)[C@@H:9]1[O:17][C@H:14]([CH2:15][OH:16])[C@@H:12]([OH:13])[C@H:10]1[OH:11])#[N:29]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 8471TriethylamineHCID 1696622-IodoadenosineHCID 131335007-Cyano-1-heptyne

Product 1

HCID 695953062-(7-Cyano-1-heptynyl)-AdenosineYield 199.3%

Reagents, catalysts & solvents 2

HCID 178418476HCID 178418476, compoundCatalyst
HCID 6228
Dimethylformamide
Solvent

Conditions

Temperature
60 °C

Procedure

Under argon, to a solution of 2-iodoadenosine (200 mg, 0.51 mmol) and bis(triphenylphosphine)palladium dichloride (36 mg, 10 mol %) dissolved in N,N-dimethylformamide (5 mL), triethylamine (0.09 mL, 0.61 mmol, 1.2 eq.) and 7-cyano-1-heptyne (74 mg, 0.1 mmol, 1.2 eq.) were added, and, under ice-cooling conditions, cuprous iodide (10 mg, 5 mol %) was added thereto, followed by stirring at 60° C. for 24 hours. The reaction mixture was cooled to room temperature, and the solvent was removed under reduced pressure. The residue was purified by dry packed silica gel column chromatography (chloroform:methanol=10:1), to thereby yield the above-titled compound as a pale yellow powder (yield: 77 mg, percent yield: 39%).

Workup

  1. additionwas added
  2. temperatureThe reaction mixture was cooled to room temperature
  3. customthe solvent was removed under reduced pressure
  4. customThe residue was purified
  5. customby dry

Sources & evidence

ORD record
ord-3b80021d64b74106a8a6c624e16175f5
Source dataset
uspto-grants-2005_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06936596B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes