Table 17.

NMR¹H spectra of 17g–17k (CDCl₃ for g–j and DMSO-d6 for k, δ).

№	17g	17h	17i	17j	17k
H-14	s 7.08	s 7.07	s 7.00	s 6.98	s 7.23
H-17	s 7.49	s 7.69	bs 7.98	s 8.13	s 7.26
H-19	s 7.32	s 7.64	bs 7.98	s 8.05	s 7.67
H-22	d 6.76 (J = 8.5 Hz)	m 6.76	d 6.56 (J = 8.0 Hz)	d 6.46 (J = 8.1 Hz)	d 7.08 (J = 8.4 Hz)
H-23	m 7.40	d 7.51 (J = 8.3 Hz)	m 7.34	m 6.84-7.03	d 7.50 (J = 8.4 Hz)
H-24	s 4.04	s 4.99	s 4.11	s 4.19	s 5.27
H-25	s 3.77	s 3.84	s 3.61	bs 3.51	s 3.85
H-26			s 3.29	bs 3.51
H-27	s 1.22 (t-Bu)	d 6.88 (J = 2.4 Hz)	s 3.48	m 3.85
H-28	m 7.23	s 2.34 (Me)
H-29	m 7.08		m 6.83–6.94	m 6.84–7.03	s 2.40
H-30	s 2.33 (Me)	d 7.21 (J = 8.6 Hz)	m 6.83–6.94	m 3.85 (OMe)	s 2.59
H-31	m 7.32	d 6.83 (J = 8.5 Hz)		m 6.84–7.03
H-32			m 6.83–6.94	m 6.84–7.03
H-33			m 6.83–6.94	m 6.84–7.03
NH	bs 9.09	bs 9.56	bs 11.22	bs 11.22	bs 12.28
OH-3	s 18.79	s 18.79	bs 18.7	bs 18.76	bs 18.80
OH-7	---	---	bs 12.64	bs 12.63	bs 12.77
OH-9	s 10.26	s 10.27	s 10.24	s 10.23	s 10.30