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. 2022 Aug 9;13:4661. doi: 10.1038/s41467-022-32346-5

Fig. 4. Synthesis of (1→6)-β-glucose branched PASs by copolymerization of Gen-lactam with Glc-lactam.

Fig. 4

Reagents and conditions: a 4-NO2BzCl, LiHMDS, THF, 0 °C, yield: 84–91%; b Na, NH3 (l), −60 °C, yield: 80–92%.