ChemInform Abstract: AMINO SUGARS. PART XXXV. SYNTHETIC STUDIES ON GLYCOCINNAMOYLSPERMIDINES. SYNTHESIS OF A KEY INTERMEDIATE OF THE DIAMINOHEXOSE MOIETY: ETHYL P‐(4‐AMINO‐2‐(TERT‐BUTOXYCARBONYL)AMINO‐2,4,6‐TRIDEOXY‐α‐D‐GLUCOPYRANOSYL# )OXYCINNAMATE