Table 1  Iron catalyzed hydroboration of CO2

From: Iron-borane catalyzed carbonyl hydroboration and isolation of an iron(I)-ketyl radical

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Borane

A (mol%)

5

6

7

HBpin

2.5

10

14

14

(9-BBN)2

0

(9-BBN)2

2.5

66

(9-BBN)2

1

65

  1. [a] Reactions were performed with CO2 (1 atm), HBpin (0.205 mmol), Complex A (x mol%), in 0.6 mL of benzene-d6.