Table 4. Selected torsion angles (°) for compounds (IIa), (IIc), (IIe), (IIg) and (IIh).
| Parameter | (IIa) | (IIc) | (IIe) | (IIg) | (IIh) |
|---|---|---|---|---|---|
| C2—N1—C1—C11 | 111.4 (2) | 102.92 (13) | 90.35 (19) | 94.94 (16) | 98.83 (15) |
| N1—C1—C11—C12 | −41.8 (3) | −61.57 (14) | −1.1 (2) | −65.13 (18) | −62.18 (16) |
| N1—C2—C3—C31 | −176.39 (19) | −177.72 (10) | 179.61 (15) | 177.30 (12) | −179.37 (12) |
| C2—C3—C31—C32 | 176.1 (2) | 178.62 (11) | −178.71 (16) | 178.91 (13) | 177.52 (13) |
| C3—C31—C32—C321 | −176.0 (2) | 172.77 (11) | 177.57 (14) | ||
| C3—C31—C32—C322 | −175.99 (14) | ||||
| C3—C31—C32—C324 | 179.55 (16) | ||||
| C31—C32—C321—C322 | −178.2 (2) | 169.40 (10) | 175.80 (12) | ||
| C31—C32—C322—S321 | 167.55 (10) | ||||
| C31—C32—C324—C323 | 173.76 (15) |