Research Article
Synthesis and Molecular Structure of 4′,9′,4″,9″-Tetra-tert-butyl-1′,6′,1″,6″-tetramethoxy-2,5-dioxa[3.3]metabiphenylophane
Table 2
Selected bond lengths (Å) and angles (°) in 4′,9′,4′′,9′′-tetra-tert-butyl-1′,6′,1′′,6′′-tetramethoxy-2,5-dioxa[3.3]metabiphenylophane 3.
| | O1–C9 | 1.4308(13) | O4–C31 | 1.4355(13) | | O1–C10 | 1.4340(13) | O4–C32 | 1.4345(13) | | O2–C7 | 1.3878(12) | O5–C34 | 1.3807(12) | | O2–C17 | 1.4365(14) | O5–C35 | 1.4329(13) | | O3–C29 | 1.3804(12) | O6–C38 | 1.3839(12) | | O3–C30 | 1.4421(13) | O6–C39 | 1.4275(15) |
| | C9–O1–C10 | 114.17(8) | C31–O4–C32 | 112.97(8) | | O1–C9–C8 | 114.15(8) | O4–C31–C28 | 111.80(8) | | O1–C10–C12 | 114.25(9) | O4–C32–C33 | 108.01(8) | | C7–O2–C17 | 114.30(8) | C35–O5–C34 | 114.57(8) | | C30–O3–C29 | 116.28(8) | C39–O6–C38 | 113.29(9) |
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