57177-91-0

Basic information

• Product Name: Boc-Phe-Arg-OH
• CAS NO: 57177-91-0
• Molecular Weight: 421.497
• Mol File: 57177-91-0.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: Boc-Phe-Arg-OH(CAS DataBase Reference)
• NIST Chemistry Reference: Boc-Phe-Arg-OH(57177-91-0)
• EPA Substance Registry System: Boc-Phe-Arg-OH(57177-91-0)

Safety Data

• Hazardous Substances Data: 57177-91-0(Hazardous Substances Data)

Upstream product

• 74-79-3 L-arginine 
• 7535-56-0 N-t-butoxycarbonyl-L-phenylalanine 4-nitrophenyl ester 
• 3674-06-4 (tert-butoxycarbonyl)-L-phenylalanine N-hydroxysuccinimide ester 
• 74-79-3 L-arginine 

Downstream Products

• 1238-09-1 L-phenylalanyl-L-arginine 

Relevant articles and documents

The solid phase synthesis of peptides containing an arginine residue with an unprotected guanidine group

A new variant of the solid phase synthesis of arginine-containing peptides was proposed. The conditions for the attachment to the Wang polymer of Nα-Fmoc-arginine containing a protonated guanidine group were found. We demonstrated that this attachment is accompanied by neither racemization nor the attachment of the second Arg residue. Side reactions involving the guanidine group of arginine were studied, and methods for their prevention were proposed. The comparison of the carbodiimide method with a 1-hydroxybenzotriazole additive and a modified method with the use of Kastro's reagent for the introduction of Nα-Fmoc-Arg residue with the unprotected guanidine group into the growing peptide chain demonstrated the advantages of the second method. Bradykinin and a peptide corresponding to the 584-591 sequence of the transmembrane gp41 from HIV-1 were synthesized by the method proposed here.