2-(Tributylstannyl)-1,3-thiazole → HCID 86711363, compound

HRID 926291Notes

Reaction equation

HRID 926291 reaction equation
I[C:2]1[CH:11]=[CH:10][CH:9]=[C:8]2[C:3]=1[CH2:4][CH2:5][N:6]1[C:16](=[O:17])[CH2:15][N:14]=[C:13]([N:18]3[CH:22]=[C:21]([CH2:23][O:24][CH3:25])[N:20]=[CH:19]3)[CH:12]=[C:7]12.C([Sn](CCCC)(CCCC)[C:31]1[S:32][CH:33]=[CH:34][N:35]=1)CCC>O1CCOCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH3:25][O:24][CH2:23][C:21]1[N:20]=[CH:19][N:18]([C:13]2[CH:12]=[C:7]3[C:8]4[C:3]([CH2:4][CH2:5][N:6]3[C:16](=[O:17])[CH2:15][N:14]=2)=[C:2]([C:31]2[S:32][CH:33]=[CH:34][N:35]=2)[CH:11]=[CH:10][CH:9]=4)[CH:22]=1

Participants

5

Reactant 2

HCID 27632592-(Tributylstannyl)-1,3-thiazoleHCID 86711364HCID 86711364, compound

Product 1

HCID 86711363HCID 86711363, compoundYield 36.7%

Reagents, catalysts & solvents 2

HCID 178418397HCID 178418397, compoundCatalystHCID 312751,4-DioxaneSolvent

Conditions

Temperature
150 °C

Procedure

Example 71. To a degassed solution of 9-iodo-2-(4-(methoxymethyl)-1H-imidazol-1-yl)-7,8-dihydro-[1,4]diazepino[7,1-a]isoquinolin-5(4H)-one (191 mg, 0.43 mmol) and 2-(tributylstannyl)thiazole (239 mg, 0.64 mmol) in dioxane (4 mL) was added Pd(PPh3)4 (25 mg, 0.021 mmol) and the mixture was heated in the microwave at 150° C. for 2 h. The solvent was removed under reduced pressure. The crude product was purified by flash-column chromatography over silicagel (Biotage Isolera Four, eluent: from 1% MeOH in DCM to 5% MeOH in DCM in 18 min) to yield the title compound (64 mg). UPLC-MS: MS 406.1 (M+H+); UPLC rt 0.81 min. 1H NMR (600 MHz, DMSO-d6): δ ppm 3.18-3.31 (m, 5 H), 3.78 (t, J=6.0 Hz, 2 H), 4.30 (s, 4 H), 7.18 (s, 1 H), 7.55 (t, J=7.9 Hz, 1 H), 7.67 (s, 1 H), 7.86 (d, J=7.7 Hz, 1 H), 7.93 (d, J=3.3 Hz, 1 H), 8.04 (d, J=3.3 Hz, 1 H), 8.13 (d, J=8.1 Hz, 1 H), 8.24 (s, 1 H).

Workup

  1. customThe solvent was removed under reduced pressure
  2. customThe crude product was purified by flash-column chromatography over silicagel (Biotage Isolera Four, eluent: from 1% MeOH in DCM to 5% MeOH in DCM in 18 min)

Sources & evidence

ORD record
ord-dc72880fcbb34b05909b27d28d513ef4
Source dataset
uspto-grants-2016_03
Patent number
US09284331B2

Reaction notes

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