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. 2021 Jan 29;40(4):539–556. doi: 10.1021/acs.organomet.0c00787

Table 1. Isomerization Ratios for anti-/syn-1 and anti-/syn-2.

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    anti/syn ratio
temperature time (h) 1a 1b 2a 2b
RT 0 2.5/1 2.5/1 5/1 1.25/1
  12 2.5/1   4.2/1  
  16       1.25/1
  24 2.5/1   4.2/1  
  48 2.5/1 2/1 3.3/1 1.25/1
           
60 °C 0 2.5/1 2.5/1 5/1 1.25/1
  8 1.7/1   1/1  
  12       1/5
  24 1.1/1   1/10  
  48 1/1.25 1/3.3 0/1 1/20
  120   1/10    
  240 0/1