CPC C07C 69/18 (2013.01) [A23L 33/10 (2016.08); C07C 69/21 (2013.01)] | 20 Claims |
1. A compound having the formula:
wherein either R1 or R2 is hydrogen, and R1 or R2 cannot be hydrogen at the same time;
when R2 is hydrogen, R1 is a structural composition selected from the group consisting of:
Acetoacetyl (CH3COCH2CO—), β-Hydroxybutyryl (CH3CH(OH)CH2CO—), (R)-β-Hydroxybutyryl or (S)-β-Hydroxybutyryl; and
when R1 is hydrogen, R2 is a structural composition selected from a group consisting of: Acetoacetyl (CH3COCH2CO—), β-Hydroxybutyryl (CH3CH(OH)CH2CO), (R)-β-Hydroxybutyryl (CH3CH(OH)CH2CO—) or (S)-β-Hydroxybutyryl (CH3CH(OH)CH2CO—); and
any salt, ester, or polymer thereof.
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