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. Author manuscript; available in PMC: 2014 Jan 9.
Published in final edited form as: J Am Chem Soc. 2012 Dec 21;135(1):94–97. doi: 10.1021/ja311241q

Table 2.

Z-Selective ethenolysis of a mixture of E-dominant macrocycles.

Compound graphic file with name nihms431317u2.jpg
E-8b 		graphic file with name nihms431317u3.jpg
E-10c 		graphic file with name nihms431317u4.jpg
E-13d
Initial E (%) 80 80 55
Final E (%)e >95 >95 >95
Yield (%)f E-8: 40g E-10: 78g E-13: 75g
8a: 46h 10a: 79h 13a: 86h
a

Reaction conditions: 2 (2 mol%), C2H4(1 atm), 2 h, THF (1 M).

b

Reaction was run at 75°C.

c

Reaction was run at 35°C,

d

Reaction was run at 40°C.

e

Product was entirely E based on 1H- or 13C-NMR.

f

Isolated product.

g

Calculated based on initial amount of E-isomer.

h

Calculated based on initial amount of Z-isomer.