4-Cyanophenylboronic acid → 4-(4-oxotetrahydro-2H-pyran-3-yl)benzonitrile

Participants

Reaction Steps

4-cyanophenylboronic acid was reacted as described in Intermediate X(2) with 3-iodo-4,4-dimethoxytetrahydro-2H-pyran (Intermediate X(1)) to give 4-(4-oxotetrahydro-2H-pyran-3-yl)benzonitrile (Intermediate AA(2)). LC-MS (M+H)+=202.1. 1H NMR (500 MHz, CDCl3) δ ppm 7.66 (d, J=8.24 Hz, 2H) 7.38 (d, J=8.55 Hz, 2H) 4.23-4.31 (m, 2H) 3.94-4.02 (m, 2H) 3.85-3.92 (m, 1H) 2.55-2.65 (m, 1H) 2.52 (t, J=5.80 Hz, 1H).

Provenance & Evidence