(S)-(+)-2-(Methoxymethyl)pyrrolidine → (S)-2-Methoxymethyl-1-{4-[4-(3-pyrrolidin-1-ylpropoxy)-phenyl]tetrahydropyran-4-ylmethyl}pyrrolidine

HRID 272871ノート

反応式

HRID 272871 の反応式
[N:1]1([CH2:6][CH2:7][CH2:8][O:9][C:10]2[CH:15]=[CH:14][C:13]([C:16]3([CH:22]=O)[CH2:21][CH2:20][O:19][CH2:18][CH2:17]3)=[CH:12][CH:11]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1.[CH3:24][O:25][CH2:26][C@@H:27]1[CH2:31][CH2:30][CH2:29][NH:28]1>CC(C)[O-].[Ti+4].CC(C)[O-].CC(C)[O-].CC(C)[O-].C(O)C>[CH3:24][O:25][CH2:26][C@@H:27]1[CH2:31][CH2:30][CH2:29][N:28]1[CH2:22][C:16]1([C:13]2[CH:12]=[CH:11][C:10]([O:9][CH2:8][CH2:7][CH2:6][N:1]3[CH2:5][CH2:4][CH2:3][CH2:2]3)=[CH:15][CH:14]=2)[CH2:21][CH2:20][O:19][CH2:18][CH2:17]1

参加物

5

実験手順

4-[4-(3-Pyrrolidin-1-ylpropoxy)phenyl]tetrahydro-2H-pyran-4-carbaldehyde (350 mg, 1.103 mmol), (s)-(+)-2-(methoxymethyl)pyrrolidine (230 mg, 2.00 mmol), absolute ethanol (40 ml), activated 3 Å molecular sieves (350 mg), titanium (IV) isopropoxide (1.62 ml, 5.48 mmol) and STAB (2.09, 9.74 mmol) were reacted in accordance with the general procedure D. The isolated crude product was purified by column chromatography on silica eluting with DCM:MeOH:NH3 (98:1:1) to give the title compound as a white solid (330 mg, 72%). 1H NMR (400 MHz, CDCl3) δ7.18 (d, 2H), 6.86 (d, 2H), 4.02 (t, 2H), 3.84-3.70 (m, 2H), 3.59 (td, 1H), 3.45 (td, 1H), 3.27 (s, 3H), 3.10 (dd, 1H), 3.02 (dd, 1H), 2.94 (d, 1H), 2.63 (t, 2H), 2.59-2.45 (m, 5H), 2.39 (m, 1H), 2.21 (m, 1H), 2.06-1.34 (m, 15H).

後処理

  1. customThe isolated crude product
  2. customwas purified by column chromatography on silica eluting with DCM:MeOH:NH3 (98:1:1)

出典と根拠

ORDレコード
ord-44d7b876450142258daf4d8c12250f03
出典データセット
uspto-grants-2008_11
特許番号
US07456164B2

反応ノート

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