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. 2023 Jun 20;15(6):1773. doi: 10.3390/pharmaceutics15061773

Table 2.

Solubilization efficacy of Fmoc-AA(PG)-OH amino acids in DMF and DMM a.

Solvent Fmoc-aa(PG)-OH
Gly Ile Leu Val Ala Phe Pro Met Tyr
(tBu)
Thr
(tBu)
Ser
(tBu)
Asp
(OtBu)
Glu
(OtBu)
Cys
(Trt)
Asn
(Trt)
Gln
(Trt)
His
(Trt)
Lys
(Boc)
Trp
(Boc)
Arg
(Pbf)
DMF
DMM

a Solubilization monitored at 0.1 M concentration. Legend: green = soluble; red = insoluble. PG = protecting group.