An improved synthesis of the antithyroid factor DL‐goitrin

Abstract
DL‐1‐Amino‐3‐buten‐2‐ol HH2CCH‐CH(OH)‐CH2NH2 has been synthesized in a satisfactory overall yield by reduction of the protected cyanohydrin H2CCH‐CH(OR)‐CN [R = ‐CH(CH3)OC2H5] with aluminum hydride, followed by removal of the protecting group with aqueous hydrochloric acid and treatment with potassium hydroxide. The amino alcohol is a key intermediate in a synthesis of the antithyroid factor goitrin reported previously.

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