Because route, dose, cycle length, and product quality all matter, patients should avoid guessing protocols or using unverified products without medical review
reducing the use of auxiliary or protecting groups Landscapes Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA) Abstract (BPC 157)4--4--2--DIC/HOBtDIC/HOAtBOP/HOBtBOP/HOAtHBTU/HOBtHBTU/HOAtHATU/HOBtHATU/HOAtHCTU/HOBt(BPC 157)BPC 157C18(C8)(BPC 157)(BPC 157)(BPC 157)The invention discloses a method for synthesizing a body-protecting polypeptide (BPC 157 peptide), which comprises using trityl chloromethyl resin, 4-methyl-trityl chloromethyl resin, 4-methoxy-trityl chloromethyl Any one of resin, 2-chloro-trityl chloromethyl resin or Wang resin is a starting material, with DIC/HOBt or DIC/HOAt or BOP/HOBt or BOP/HOAt or HBTU/HOBt or HBTU/HOAt or One of HATU/HOBt or HATU/HOAt or HCTU/HOBt is used as a condensing agent to carry out the peptide-grafting reaction to obtain the resin for protecting the body's protective polypeptide (BPC 157 peptide), and then simultaneously remove the side chain protecting group and cut the peptide
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