Реакция #65807

ord-d928f1afcb3d4e73a243dc742f844705

Уравнение реакции

CSc1ccc(C2=C(Br)CCC2)cc1
1-(2-bromocyclopenten-1yl)-4-(methylthio) benzene
CSc1ccc(C2=C(Br)CCC2)cc1
1-(2-bromocyclopenten-1-yl)-4-(methylthio)benzene
OCc1ccc(B(O)O)cc1
4-hydroxymethylphenylboronic acid
CSc1ccc(C2=C(c3ccc(CO)cc3)CCC2)cc1
1-[2-(4-hydroxymethylphenyl)cyclopenten-1-yl]-4-(methylthio)benzene
Выход 92.5%

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    ДругоеPurification by silica gel chromatography (MPLC) with ethyl acetate/hexane (1:4)

Методика

Following the synthetic procedure outlined in Step 3 of Example 1, 250 mg (0.93 mmol) of 1-(2-bromocyclopenten-1yl)-4-(methylthio) benzene (Example 1, Step 2) was reacted with 290 mg (1.9 mmol) of 4-hydroxymethylphenylboronic acid (Step 1). Purification by silica gel chromatography (MPLC) with ethyl acetate/hexane (1:4) gave 255 mg (92%) of 1-[2-(4-hydroxymethylphenyl)cyclopenten-1-yl]-4-(methylthio)benzene as a solid: mp 82°-85° C; NMR (CDCl3) d 2.04 (m, J=7 Hz, 2H), 2.45 (s, 3H), 2.88 (t, J=7 Hz, 4H), 4.64 (s, 2H), 7.08 (s, 4H), (m, 2H), 7.15-7.25 (m, 4H).

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US05420287uspto-grants-1995_05