Green Production of Indolylquinones, Derivatives of Perezone, and Related Molecules, Promising Antineoplastic Compounds

Table 3

Theoretical and experimental selected bond length (in Å) of 8 and 9.

Bond	8		9
	Theoretical length	Experimental length	Theoretical length	Experimental length
C1=O1	1.223	1.229	1.223	1.228
C1-C2	1.494	1.453	1.491	1.451
C2-C3	1.363	1.366	1.365	1.306
C3-C4	1.503	1.484	1.498	1.470
C3-C3′	1.471	1.448	1.467	1.448
C4=O4	1.219	1.231	1.240	1.229
C2-C11	1.503	1.491	1.501	1.525
C4-C10	1.492	1.467	1.465	1.460
C10-C5	1.397	1.392	1.415	1.460
C10-C9	1.400	1.401	1.405	1.386
C5-C6	1.391	1.398	1.384	1.318
C6-C7	1.398	1.387	1.400	1.405
C7-C8	1.391	1.389	1.387	1.400
C8-C9	1.397	1.398	1.410	1.364
C9-C1	1.488	1.479	1.49	1.492
C5-HO5	—	—	1.339	1.320
C=O⋯H	—	—	1.696	1.870
C2′-C3′	1.376	1.375	1.379	1.375
C2′-N	1.374	1.363	1.370	1.363
C8′-N	1.383	1.370	1.383	1.370

Obtained from Nowell and Attfield, 2004 [43]; obtained from Noltemeyer et al., 1982 [41]; obtained from Vijayalakshmi et al., 1987 [44].