Patent ID: 11891602
Assignee: TORAY INDUSTRIES, INC.
Field: Biotechnology (Chemistry)
Classification: CPC C | IPC C

Claim 8:
9. The method according to claim 7, wherein a combination of the dehydration condensation agent and the hydrophilic aprotic organic solvent is a combination of O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate and dimethyl sulfoxide, a combination of O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate and N,N-dimethylformamide, a combination of N-(3′-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride, 1-hydroxy-7-azabenzotriazole and dimethyl sulfoxide, or a combination of chloro-N,N,N′,N′-tetramethylformamidinium hexafluorophosphate, 1-hydroxy-7-azaben-zotriazole and dimethyl sulfoxide.