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Methyl 3-formylbenzoate → (S)-3-{5-[(3,5-Bis-trifluoromethyl-benzyl)-(2-methyl-2H-tetrazol-5-yl)-amino]-7-methyl-8-trifluoromethyl-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-benzoic acid methyl ester

HRID 507109
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HRID 507109 반응식
[CH3:1][O:2][C:3](=[O:12])[C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([CH:10]=O)[CH:5]=1.[F:13][C:14]([F:50])([F:49])[C:15]1[CH:16]=[C:17]([CH:42]=[C:43]([C:45]([F:48])([F:47])[F:46])[CH:44]=1)[CH2:18][N:19]([C:36]1[N:37]=[N:38][N:39]([CH3:41])[N:40]=1)[C@H:20]1[CH2:26][CH2:25][CH2:24][NH:23][C:22]2[CH:27]=[C:28]([C:32]([F:35])([F:34])[F:33])[C:29]([CH3:31])=[CH:30][C:21]1=2.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>C(O)(=O)C.ClCCCl.C(Cl)Cl>[CH3:1][O:2][C:3](=[O:12])[C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([CH2:10][N:23]2[CH2:24][CH2:25][CH2:26][C@H:20]([N:19]([CH2:18][C:17]3[CH:42]=[C:43]([C:45]([F:48])([F:47])[F:46])[CH:44]=[C:15]([C:14]([F:13])([F:50])[F:49])[CH:16]=3)[C:36]3[N:37]=[N:38][N:39]([CH3:41])[N:40]=3)[C:21]3[CH:30]=[C:29]([CH3:31])[C:28]([C:32]([F:34])([F:33])[F:35])=[CH:27][C:22]2=3)[CH:5]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 3

HCID 639145Methyl 3-formylbenzoateHCID 5049666Sodium triacetoxyborohydrideHCID 59432408(S)-(3,5-bistrifluoromethylbenzyl)-(2-methyl-2H-tetrazol-5-yl)-(7-methyl-8-trifluoromethyl-2,3,4,5-tetrahydro-1H-benzo[b]azepin-5-yl)amine

생성물 1

HCID 11563865(S)-3-{5-[(3,5-Bis-trifluoromethyl-benzyl)-(2-methyl-2H-tetrazol-5-yl)-amino]-7-methyl-8-trifluoromethyl-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-benzoic acid methyl ester
수율 53%

시약·촉매·용매 3

HCID 111,2-Dichloroethane용매HCID 176Acetic Acid용매HCID 6344Dichloromethane용매

실험 절차

Add 3-formylbenzoic acid methyl ester (133 mg, 0.815 mmol) to a solution of (S)-(3,5-bis-trifluoromethylbenzyl)-(2-methyl-2H-tetrazol-5-yl)-(7-methyl-8-trifluoromethyl-2,3,4,5-tetrahydro-1H-benzo[b]azepin-5-yl)amine (Example 3, Step 18) (150 mg, 0.272 mmol) in acetic acid (1 mL) and 1,2-dichloroethane (10 mL) at room temperature under nitrogen and stir for 2 h. Add sodium triacetoxy borohydride (231 mg, 1.08 mmol) and stir for 3 h. Dilute the mixture with methylene chloride (30 mL) and wash with saturated aqueous sodium bicarbonate solution (2×10 mL). Extract the combined aqueous washes with methylene chloride (20 mL) and wash the combined organic extracts with brined (20 mL) and dry over anhydrous sodium sulfate. Remove the solvents under reduced pressure and purify the residue by column chromatography on silica gel, eluting with ethyl acetate/hexanes (1:2), to provide the title compound as a white solid (101 mg, 53%): mp 62-65° C. dec; 1H NMR (CDCl3, 300 MHz) δ 1.50-1.70 (m, 2H), 2.07-2.25 (m, 2H), 2.29 (s, 3H), 2.73-2.85 (m, 1H), 2.95-3.09 (m, 1H), 3.89 (s, 3H), 4.18 (s, 3H), 4.31-4.40 (m, 2H), 4.81-5.02 (m, 2H), 6.93 (s, 1H), 7.31-7.42 (m, 2H), 7.55-7.63 (m, 4H), 7.79-7.82 (m, 1H), 7.89-7.92 (m, 1H), 8.10 (s, 1H); ESI MS m/z 701 [C32H29F9N6O2+H]+; HPLC 97.6%, tR 19.7 min.

후처리

  1. washwash with saturated aqueous sodium bicarbonate solution (2×10 mL)
  2. extractionExtract the combined aqueous washes with methylene chloride (20 mL)
  3. washwash the combined organic extracts with brined (20 mL)
  4. dry with materialdry over anhydrous sodium sulfate
  5. customRemove the solvents under reduced pressure
  6. custompurify the residue by column chromatography on silica gel
  7. washeluting with ethyl acetate/hexanes (1:2)

출처 및 근거

ORD 기록
ord-38c4306c07c648729d42f9513591ec5a
출처 데이터셋
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07786108B2

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