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. Author manuscript; available in PMC: 2023 Jan 21.
Published in final edited form as: Angew Chem Int Ed Engl. 2021 Dec 7;61(4):e202112375. doi: 10.1002/anie.202112375

Table 1. SuFEx catalyst screen.

Reactions were performed on 0.1 mmol scale, and conversions were determined by 1H NMR analysis.

graphic file with name nihms-1774607-t0007.jpg
Entry Catalyst Conversion (%)
1 DBU 17
2 l-arginine methyl ester•HCl 0
3 N-Boc- l-arginine methyl ester 0
4 1,3-diphenylguanidine 0
5 1,1,3,3-tetramethylguanidine 0
6 BTMG >99
7 1,5,7-triazabicyclo(4.4.0)dec-5-ene 0
8 KHF2 0