Name

Mol.formula (mol.wt)

Yield

(%)

M.P.

(˚C)

1HNMR

BOP

C13H9NO2 (211.22)

90.1

120.0 - 123.4

(400 MHz, DMSO-d6) δ 8.02 (d, J = 7.9 Hz, 1H), 7.88 - 7.81 (m, 2H), 7.58 - 7.47 (m, 2H), 7.47 - 7.45 (m, 1H), 7.45 - 7.40 (m, 1H), 7.17 - 7.03 (m, 2H).

BOPO

C12H8N2O2 (212.20)

93.4

147.6 - 149.8

(400 MHz, DMSO-d6) δ 9.54 (d, J = 10.0 Hz, 1H), 8.76 (s, 1H), 8.21- 8.11 (m, 2H), 8.02 (d, J = 8.0 Hz, 1H), 7.92 (s, 2H), 7.57 - 7.52 (m, 1H).

QBO

C16H10N2O (246.26)

92.7

190.5 - 193.0

(400 MHz, DMSO-d6) δ 9.56 - 9.48 (m, 1H), 8.76 (s, 1H), 8.16 (s, 1H), 8.15 (s, 1H), 8.02 (d, J = 8.0 Hz, 1H), 7.92 (d, J = 7.5 Hz, 2H), 7.90 - 7.86 (m, 1H), 7.61 - 7.48 (m, 2H).