作者:R. A. Boissonnas、St. Guttmann、P.-A. Jaquenoud、J.-P. Waller、E. Cherbuliez、A. Stoll
DOI:10.1002/hlca.19550380622
日期:——
A new synthesis of oxytocin is described. N-CBO-L-glutaminyl-L-asparaginyl-S-benzyl-L-cysteinyl-azide is reacted with L-prolyl-L-leucyl-glycinamide to give N-CBO-L- glutaminyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-prolyl-L-leucyl-glycinamide. After removal of the CBO group by HBr in acetic acid this hexapeptide is condensed with N-CBO-S-benzyl-L-cysteinyl-L-tyrosyl-L-isoleucyl-azide to give the nonapeptide
描述了催产素的新合成。使N-CBO-L-谷氨酰胺基-L-天冬酰胺基-S-苄基-L-半胱氨酰叠氮化物与L-脯氨酰基-L-亮氨酰-甘氨酰胺反应,得到N-CBO-L-谷氨酰胺基-L-天冬酰胺基-S-苄基-L-半胱氨酰基-L-脯氨酰基-L-亮氨酰-甘氨酰胺。用乙酸中的HBr除去CBO基团后,该六肽与N-CBO-S-苄基-L-半胱氨酰-L-酪氨酰基-L-异亮氨酰-叠氮基缩合,得到九肽N-CBO-S-苄基-L杜维格诺和同事已经通过另一途径获得的-半胱氨酰-L-酪氨酰基-L-异亮氨酰-L-谷氨酰胺基-L-天冬酰胺基-S-苄基-L-半胱氨酰-L-脯氨酰基-L-亮氨酰-甘氨酰胺。用液态氨中的钠还原并再氧化,即可获得生物活性物质。