AMINES - Amines Amine/ALQ/P.1 Amines 91(I)1.(c) Give the...

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Amines Amine/ALQ/P.1 Amines 91(I)1.(c) Give the structure of a dipeptide. Give a reagent that could cleave your dipeptide into smaller units. Draw the zwitter-ionic form of one such smaller unit. ( 4 marks ) 92(I)1.(f) (ii) Give the structure of the compound with a relative molecular mass of approximately 230, which on refluxing with dilute hydrochloric acid gives V as the only product. ( Relative atomic masses : H, 1.0; C, 12.0; N, 14.0; O, 16.0 ) 92(II)8.(a) Amines can be prepared from an amide or an alkyl halide. (i) Illustrate this statement by the preparation of RCH 2 NHCH 3 . Both synthetic reaction sequences must start with RCO 2 H . In each sequence, give the reagent(s) for each step and the structures of intermediate compounds. (ii) Explain which of your two methods is more suitable for preparing RCH 2 NHCH 3 . ( 9 marks ) 93(I)3.(e) A dipeptide, W , yields only valine and glycine on hydrolysis. CH
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AMINES - Amines Amine/ALQ/P.1 Amines 91(I)1.(c) Give the...

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