Table 1. Selected torsion angles (°) for compounds (I)–(III).

Parameter	(I) type 1	(I) type 2	(II)	(III)
	x = 1	x = 2	x = nul	x = nul
Sx1—Cx2—Cx27—Cx21	−4.1 (6)	−26.9 (4)	−23.4 (5)	−89.6 (7)
Sx1—Cx2—Cx37—Cx31	−9.7 (11)		−19.8 (17)	−98 (2)
Cx2—Cx27—Cx21—Cx22	82.4 (18)	111.2 (3)	91.7 (4)	87 (2)
Cx2—Cx37—Cx31—Cx32	71 (3)		96.2 (17)	63 (10)
Nx4—Cx5—Cx51—Cx53	−83.8 (3)	−84.2 (3)	−86.4 (3)	66.0 (5)
Cx5—Cx51—Cx53—Cx52	21.5 (4)	14.9 (3)	27.4 (4)	−133.1 (4)
Cx5—Cx6—Cx61—Cx62	−24.7 (4)	−33.7 (3)	−27.0 (4)	−41.3 (6)