2,6-Pyridinedicarboxamide, N,N,N',N'-tetrakis(1-methylethyl)- → HCID 178457641, compound

HRID 1490976Notes

Reaction equation

HRID 1490976 reaction equation
CC(C)N(C(=O)c1cccc(C(=O)N(C(C)C)C(C)C)n1)C(C)C>C1=CCCC=CCC1.C1=CCCC=CCC1.C1CCOC1.CC(C)(C)O.CC1(C)OB(B2OC(C)(C)C(C)(C)O2)OC1(C)C.C[OH2+].C[OH2+].O=c1ccc2cccc(-c3ccc(-c4ccccn4)nc3)c2[nH]1.[Ir].[Ir].[K]>CC(C)N(C(=O)c1cc(B2OC(C)(C)C(C)(C)O2)cc(C(=O)N(C(C)C)C(C)C)n1)C(C)C

Participants

7

Reactant 1

HCID 3431212,6-Pyridinedicarboxamide, N,N,N',N'-tetrakis(1-methylethyl)-

Product 1

HCID 178457641HCID 178457641, compoundYield 89%

Reagents, catalysts & solvents 5

HCID 2733548Bis(pinacolato)diboraneReagentHCID 1646813858-([2,2'-bipyridin]-5-yl)quinolin-2(1H)-oneReagentHCID 76001521Bis(1,5-cyclooctadiene)dimethoxydiiridiumCatalystHCID 86639980Potassium tert-butoxideCatalystHCID 8028TetrahydrofuranSolvent

Conditions

Temperature
80 °C

Procedure

In an argon filled glove box, a 5.0 mL wheaton microreactor was charged with [Ir(cod)(OMe)]2 (1.98 mg, 1.5 mol%), L1 ligand (2.1 mg, 3.5 mol%), B2pin2 (50.8 mg, 1.0 equiv.), KOtBu (1.0 mg, 4.5 mol%) and dry THF (1.0 mL). The reaction mixture was stirred for 2 minutes at room temperature. To this mixture, N2,N2,N6,N6-tetraisopropylpyridine-2,6-dicarboxamide (66.7 mg, 0.2 mmol) was added. The microreactor was capped with a teflon pressure cap and placed into pre-heated aluminum block at 80 oC. The reaction mixture was stirred for 12 h. After completion (judged by GC/MS), THF was removed under reduced pressure and dried on an oil bath at 90 oC for 30 minutes, which gave the meta-borylated product 8i (81.8 mg, 89%) as off white solid.

Sources & evidence

ORD record
ord-a87e6aee7a184527859efe9e36e2af95
Source dataset
Borylation dataset from Roche

Reaction notes

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