The Boc and Bzl protected tyrosine (Boc-Tyr(Bzl)-OH) was allowed to react with proline methyl ester hydrochloride to form the second dipeptide Boc-Tyr(Bzl)-Pro-OMe in 42% yield.

 
  • 選擇叔丁氧羰?;?Boc)和芐基(Bzl)作為酪氨酸的氨基和側鏈保護基,與脯氨酸甲酯鹽酸鹽縮合得二肽片段Boc-Tyr(Bzl)-Pro-OMe,產(chǎn)率42%25。
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