POLYPEPTIDES 37 



Triptptidtt. 



Diglycyl-glycine (chloracetylchloride + glycyl-glycine ester or + glycine anhydride + NaOH). 

 Diglycyl-cystine (chloracetylchloride + cystine). 

 Diglycyl-phenylalanine (chloracetylchloride + glycyl-phenylalanine). 

 Diglycyl-p-iodophenylalanine (chloracetylchloride + glycyl-p-iodophenylalanine). 

 Glycyl-leucyl-alanine (chloracetylchloride + leucyl-alaninc). 

 Glycyl-d-alanyl-1-tyrosine (chloracetylchloride + d-alanyl-1-tyrosine). 

 Glycyl-d-aminobutyryl-d-alanine (chloracetylchloride + d-aminobutyryl-d-alanine). 

 Alanyl-glycyl glycine (a-bromopropionylbromide + glycyl-glycine ester). 

 Dialanyl-cystine (a-bromopropionylbromide + cystine). 

 Alanyl-leucyl-glvcine (a-bromopropionylbromide + leucyl-glycine). 

 d-Alanyl-d-aminobutyryl-glycine (d-bromopropionylchloride + d-aminobutyryl-glycine). 

 Dialanyl-alanine (a-bromopropionylbromide + alanyl-alanine). 

 1-Alanyl-glycyl-glycine (1-bromopropionylchloride + glycyl-glycine ester). 

 1-Alanyl-glycyl-glycine (1-bromopropionylchloride + glycyl-glycine). 

 d-Alanyl-glycyl-1-tyrosine (d-a-bromopropionylchloride + glycyl-1-tyrosine). 

 d-Alanyl-1-leucyl-d-isoleucine (d-bromopropionylchloride + 1-leucyl-d-isoleucine). 

 d-Aminobutyryl-glycyl-d-aminobutyric acid (d-bromobutyrylchloride + glycyl-d-aminobut- 



yric acid). 



d-Aminobutyryl-glycyl-d-alanine (d-bromobutyrylchloride + glycyl-d-alanine). 

 Leucyl-glycyl-glycine (a-bromisocapronylchloride -f glycyl-glycine ester or + glycine anhydride 



-fNaOH). 



Leucyl-a-leucyl-phenylalanine (a-bromisocapronylchloride + a-leucyl-phenylalanine). 

 Leucyl-glycyl-phenylalanine (a-bromisocapronylchloride + glycyl-phenylalanine). 

 Dileucyl-cystine (a-bromisocapronylchloride + cystine). 

 Di-1-leucyl-cystine (d-o-bromisocapronylchloride + cystine). 

 Leucyl-alanyl-glycine A) 



Leucyl-alanyl-glycine B/( a - bromisoca P ron y lchloride + alanyl-glycine). 

 Leucyl-alanyl-alanine A) 

 Leucyl-alanyl-alanine B \ (-bromisocapronylchloride -f alanyl-alanine). 



1-Leucyl-glycyl-l-aspartic acid (d-bromisocapronylchloride + glycyl-1-aspartic acid). 

 1-Leucyl-glycyl-d-tryptophane (d-a-bromisocapronylchloride + glycyl-d-tryptophane). 

 1-Leucyl-glycyl-l-leucine (d-a-bromisocapronylchloride + glycyl-1-leucine). 

 1-Leucyl-l-tryptophyl-d-glutamic acid (d-a-bromisocapronylchloride + 1-tryptophyl-d-glut- 



amic acid). 



1-Leucyl-glycyl-d-isoleucine (d-a-bromisocapronylchloride + glycyl-d-isoleucine). 

 Phenylalanyl-glycyl-glycine (phenyl-a-bromopropionylchloride + glycyl-glycine). 

 Asparagyl-dialanine (fumarylchloride + alanine ester). 



Tetrapeptidts. 



Triglycyl-glycine (chloracetylchloride + diglycyl-glycine). 

 d-Alanyl-diglycyl-glycine (d-a-bromopropionylchloride + diglyclyglycine). 

 Dileucyl-glycyl-glycine (a-bromisocapronylchloride + leucyl-glycyl-glycine). 

 1-Leucyl-diglycyl-glycine (d-a-bromisocapronylchloride + diglycyl-glycine). 

 Glycyl-d-alanyl-1-leucyl-d-isoleucine (chloracetylchloride + d-alanyl-1-leucyl-d-isolt ucine). 

 Glycyl-1-leucyl-glycyl-l-leucine (chloracetylchloride + 1-leucyl-glycyl-l-leucine). 



Ptntaptptides. 



Tetraglycyl-glycine (chloracetylchloride -f triglycyl-glycine). 



l-Leucyl-glycyl-l-leucyl-glycyl-l-leucine(d-bromisocapronylchloride-f glycyl-l-leucyl-glycyl 

 1-leucine). 



