Diisopropylethylamine → 6-chloro-2-fluoro-N-(3-methoxy-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-5-yl)-3-(3-(4-methoxyphenoxy)propylsulfonamido)benzamide

HRID 1943951Notes

Reaction equation

HRID 1943951 reaction equation
[CH3:1][O:2][C:3]1[C:11]2[C:6](=[N:7][CH:8]=[C:9]([NH2:12])[CH:10]=2)[N:5]([CH2:13][C:14]2[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][CH:15]=2)[N:4]=1.[Cl:22][C:23]1[C:28]([C:29](O)=[O:30])=[C:27]([F:32])[C:26]([NH:33][S:34]([CH2:37][CH2:38][CH2:39][O:40][C:41]2[CH:46]=[CH:45][C:44]([O:47][CH3:48])=[CH:43][CH:42]=2)(=[O:36])=[O:35])=[CH:25][CH:24]=1.Cl.C(N=C=NCCCN(C)C)C.O.N1(O)C2C=CC=CC=2N=N1.C(N(C(C)C)C(C)C)C>C(Cl)Cl>[Cl:22][C:23]1[C:28]([C:29]([NH:12][C:9]2[CH:10]=[C:11]3[C:3]([O:2][CH3:1])=[N:4][N:5]([CH2:13][C:14]4[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][CH:15]=4)[C:6]3=[N:7][CH:8]=2)=[O:30])=[C:27]([F:32])[C:26]([NH:33][S:34]([CH2:37][CH2:38][CH2:39][O:40][C:41]2[CH:42]=[CH:43][C:44]([O:47][CH3:48])=[CH:45][CH:46]=2)(=[O:36])=[O:35])=[CH:25][CH:24]=1

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 670888713-Methoxy-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-5-amineHCID 670890016-Chloro-2-fluoro-3-(3-(4-methoxyphenoxy)propylsulfonamido)benzoic acid

Product 1

HCID 670888896-chloro-2-fluoro-N-(3-methoxy-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-5-yl)-3-(3-(4-methoxyphenoxy)propylsulfonamido)benzamideYield 77.6%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

A 100 mL, round-bottomed flask was charged with 3-methoxy-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-5-amine (123.0 mg, 0.43 mmol), 6-chloro-2-fluoro-3-(3-(4-methoxyphenoxy)propylsulfonamido)benzoic acid (271.1 mg, 0.65 mmol), N1-((ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine hydrochloride (124.4 mg, 0.65 mmol), 1H-benzo[d][1,2,3]triazol-1-ol hydrate (99.4 mg, 0.65 mmol), N-ethyl-N-isopropylpropan-2-amine (83.9 mg, 0.65 mmol) and DCM (1.5 mL). The reaction mixture was stirred at room temperature until LC-MS showed that the starting material had been consumed (about 12 hours). Then the reaction mixture was partitioned between EtOAc (300 mL) and water (150 mL). The phases were separated, and the aqueous phase was extracted with EtOAc (3×150 mL). The combined organic layers were dried (Na2SO4), filtered and concentrated to yield a crude product. The crude product was purified by silica gel chromatography (EtOAc/hexane from 1/4 to 1/0, v/v) to afford 6-chloro-2-fluoro-N-(3-methoxy-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-5-yl)-3-(3-(4-methoxyphenoxy)propylsulfonamido)benzamide (228.3 mg, 77.14%). LRMS (APCI pos): >95% purity, 254 nm, m/e 684.1 and 686.2 (M+1).

Workup

  1. customhad been consumed (about 12 hours)
  2. customThen the reaction mixture was partitioned between EtOAc (300 mL) and water (150 mL)
  3. customThe phases were separated
  4. extractionthe aqueous phase was extracted with EtOAc (3×150 mL)
  5. dry with materialThe combined organic layers were dried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customto yield a crude product
  9. customThe crude product was purified by silica gel chromatography (EtOAc/hexane from 1/4 to 1/0

Sources & evidence

ORD record
ord-16d1d7352cc04436bc75e622edf56129
Source dataset
uspto-grants-2013_03
Patent number
US08394795B2

Reaction notes

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