CPC C07F 9/65746 (2013.01) [B01J 31/185 (2013.01); B01J 2531/004 (2013.01); B01J 2531/821 (2013.01); B01J 2531/822 (2013.01); B01J 2531/827 (2013.01); B01J 2531/845 (2013.01)] | 13 Claims |
1. A compound having structure (I) or (II):
where R1, R2, R3, R4, R5, R6, R7 and R8 are selected from: —H, —(C1-C12) alkyl or —O—(C1-C12) alkyl,
and the radicals R1, R2, R3, R4, R5, R6, R7 and R8 are not all simultaneously —tBu.
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