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52449100022
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See the Supporting Information for ORTEP representation of cyclobutene 15
-
See the Supporting Information for ORTEP representation of cyclobutene 15.
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51
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53
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52449125798
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See the Supporting Information for ORTEP representation of cyclobutene 25
-
See the Supporting Information for ORTEP representation of cyclobutene 25.
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-
-
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55
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52449111747
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The molecular modelling program Spartan '06 was used to carry out the Density Functional B3LYP calculations. The 6-31G** basis set was chosen to perform the geometry optimization. Computations were performed with a Linux workstation running Spartan version '06.
-
The molecular modelling program Spartan '06 was used to carry out the Density Functional B3LYP calculations. The 6-31G** basis set was chosen to perform the geometry optimization. Computations were performed with a Linux workstation running Spartan version '06.
-
-
-
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57
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52449106127
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This result was also observed in the initial reaction of acetylene 13 and diene 11 Scheme 1
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This result was also observed in the initial reaction of acetylene 13 and diene 11 (Scheme 1).
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