반응 #623698

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2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-4-iodo-5,5-dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one

2-[1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-4-iodo-5,5-dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one

4-(trifluoromethyl)-1H-pyrazole

caesium carbonate

2-hydroxybenzaldehyde-oxime

→

2-[1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-5,5-dimethyl-4-[4-(trifluoromethyl)-1H-pyrazol-1-yl]-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one

용매

acetonitrile

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후처리

1. 1
   여과The reaction solution was filtered
2. 2
   기타purified by preparative HPLC (eluent: acetonitrile/water with 0.1% formic acid, gradient 20:80→100:0)
3. 3
   기타85 mg (63% of theor.) of the target compound was obtained

실험 절차

Under argon atmosphere, 200 mg (purity 62%, 0.24 mmol) of 2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-4-iodo-5,5-dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one (example 15A) was suspended in 2.5 ml of absolute acetonitrile, and 656 mg (4.82 mmol) of 4-(trifluoromethyl)-1H-pyrazole, 157 mg (0.48 mmol) of caesium carbonate, 7 mg (0.05 mmol) of copper(I) oxide and 26 mg (0.19 mmol) of 2-hydroxybenzaldehyde-oxime were added. The mixture was heated in the microwave for 1 h at 200° C. The reaction solution was filtered and purified by preparative HPLC (eluent: acetonitrile/water with 0.1% formic acid, gradient 20:80→100:0). 85 mg (63% of theor.) of the target compound was obtained.

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