반응 #3587

반응 방정식

10,11-dihydro-10-(4-aminobenzoyl)-5H-pyrrolo[2,1-c][1,4]benzodiazepine

2,4-dichlorobenzoyl chloride

triethylamine

→

desired product

수율 53.5%

N-[4-(5H-pyrrolo[2,1-c][1,4]benzodiazepin-10(11H)-ylcarbonyl)phenyl]-2,4-dichlorobenzamide

수율 53.5%

용매

ethyl acetate

methylene chloride

반응 조건

후처리

1. 1
   기타The bath is removed
2. 2
   workup.STIRRINGthe reaction mixture stirred at room temperature for 18 hours
3. 3
   농축The volatiles are concentrated in vacuo
4. 4
   기타to give a residue which
5. 5
   세척washed with water, 2N citric acid, 1M NaHCO3 and brine
6. 6
   건조The organic layer is dried with Na2SO4
7. 7
   여과filtered
8. 8
   농축concentrated in vacuo
9. 9
   기타to give a residue which
10. 10
    기타is crystallized from ethyl acetate

실험 절차

To a solution of 415 mg of 2,4-dichlorobenzoyl chloride in 5 ml of methylene chloride at 0° C. is added 346 μl of triethylamine. After stirring for 3 minutes, 500 mg of 10,11-dihydro-10-(4-aminobenzoyl)-5H-pyrrolo[2,1-c][1,4]benzodiazepine is added. The bath is removed and the reaction mixture stirred at room temperature for 18 hours. The volatiles are concentrated in vacuo to give a residue which is dissolved in ethyl acetate, washed with water, 2N citric acid, 1M NaHCO3 and brine. The organic layer is dried with Na2SO4, filtered and concentrated in vacuo to give a residue which is crystallized from ethyl acetate to give 420 mg of the desired product as a crystalline solid, m.p., 210°-212° C.

출처