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Triethylamine → (r)-2-Hydroxy-1-{3-hydroxymethyl-4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-methyl-pentan-1-one

HRID 2062256
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HRID 2062256 반응식
[OH:1][CH2:2][CH:3]1[CH2:8][NH:7][CH2:6][CH2:5][N:4]1[C:9]1[C:18]2[C:13](=[CH:14][C:15]([CH3:19])=[CH:16][CH:17]=2)[N:12]=[C:11]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=2[OH:26])[N:10]=1.[OH:27][C@H:28]([CH2:32][CH:33]([CH3:35])[CH3:34])[C:29](O)=[O:30].F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1.C(N(CC)CC)C>CN(C=O)C.C(Cl)Cl.O>[OH:27][C@H:28]([CH2:32][CH:33]([CH3:35])[CH3:34])[C:29]([N:7]1[CH2:6][CH2:5][N:4]([C:9]2[C:18]3[C:13](=[CH:14][C:15]([CH3:19])=[CH:16][CH:17]=3)[N:12]=[C:11]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=3[OH:26])[N:10]=2)[CH:3]([CH2:2][OH:1])[CH2:8]1)=[O:30]
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참가 물질

8

반응물 4

HCID 8471TriethylamineHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 439960(R)-2-hydroxy-4-methylpentanoic acidHCID 1361213512-[4-(2-Hydroxymethyl-piperazin-1-yl)-7-methyl-quinazolin-2-yl]-phenol

생성물 1

HCID 136121485(r)-2-Hydroxy-1-{3-hydroxymethyl-4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-methyl-pentan-1-one

시약·촉매·용매 3

HCID 962Water용매HCID 6228Dimethylformamide용매HCID 6344Dichloromethane용매

실험 절차

To 3-hydroxymethyl-4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazine-1-carboxylic acid benzyl ester (200 mg, 0.41 mmol) in 1.7 mL of methanol was added 39 mg of Pd/C (10% weight Pd on carbon). The reaction mixture was subjected to hydrogenation using a H2 balloon for 3 h. The reaction mixture was filtered through Celite and the solvent was removed to give 2-[4-(2-hydroxymethyl-piperazin-1-yl)-7-methyl-quinazolin-2-yl]-phenol. This amine was treated with (R)-2-hydroxy-4-methyl-pentanoic acid (60 mg, 0.45 mmol), BOP (200 mg, 0.45 mmol) and 115 μL of triethylamine in 1.6 mL of DMF at room temperature for 12 h. The reaction mixture was diluted with 20 mL of CH2Cl2 and 20 mL of water, and the organic layer was separated and dried over Na2SO4. The solvent was removed under reduced pressure, and the residue was subjected to purification using 60-100% EtOAc-hexanes to give (R)-2-hydroxy-1-{3-hydroxymethyl-4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-methyl-pentan-1-one. LC/MS: m/z 465 (M+H)+ at 2.77 min (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)).

후처리

  1. customthe organic layer was separated
  2. dry with materialdried over Na2SO4
  3. customThe solvent was removed under reduced pressure
  4. customthe residue was subjected to purification

출처 및 근거

ORD 기록
ord-61026de91cb9458ab363aba1ee03d4fb
출처 데이터셋
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08283354B2

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