N-t-butoxycarbonyl-L-tryptophanyl-L-methionyl-L-aspartyl-D-alanine amide → N-t-butoxycarbonyl-L-tryptophanyl-L-methionyl-L-aspartyl-2-amino-2-methylpropionamide

참여 물질

반응 단계

When an equivalent quantity of L-methionyl-L-aspartyl-2-amino-2-methylpropionamide hydrochloride is substituted for the L-methionyl-L-aspartyl-D-alanine amide hydrochloride of Example 6, and the procedure detailed therein substantially repeated, there is obtained N-t-butoxycarbonyl-L-tryptophanyl-L-methionyl-L-aspartyl-2-amino-2-methylpropionamide containing 1/3 mole of water of hydration per mole. This compound is represented by the following formula. ##STR15##Elemental analysis of this compound shows C: 54.45%; H: 6.69%; N: 12.69% and S: 4.96%. Theory is C: 54.36%; H: 6.71%; N: 13.11% and S: 5.00%.

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