Table XXIII.

¹³C NMR Data of Montanine-Type Alkaloids

Alkaloid	73	74
C-1	115.6	114.7
C-2	68.2	35.5
C-3	70.4	72.3
C-4	29.3	75.5
C-4a	58.5	70.0
C-6	59.2	62.0
C-6a	122.2	125.2
C-7	106.2	107.8
C-8	146.8	148.3
C-9	146.3	147.6
C-10	106.8	108.3
C-10a	131.1	133.6
C-11	44.7	46.4
C-11a	150.0	147.5
C-12	54.5	56.9
OCH2O	100.7	102.1
Solvent	c	c
MHz	50	50
Reference	(80)	(80)

Solvent a: DMSO-d₆, b: CDCl₃-CD₃OD, c: CD₃OD, d: CDCl₃.