Process for preparing L-p-boronophenylalanine and intermediate f

Details Process for preparing L-p-boronophenylalanine and intermediate f Process for preparing L-p-boronophenylalanine and intermediate f

1998-12-22

2000-02-29

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

549213, 568 6, C07C22928

Patent

active

060311274

ABSTRACT:
There is disclosed a process for preparing L-p-boronophenylalanine which comprises subjecting a compound represented by the formula: ##STR1## wherein Y represents a protective group selected from the group consisting of benzyloxycarbonyl group, allyloxycarbonyl group and t-butoxycarbonyl group; and Bn represents benzyl group, to hydrogenation reaction in the presence of a palladium series catalyst, and a synthetic intermediate represented by the above formula for preparing the same.

REFERENCES:
Synlett, 1996, p167-168, Malan et al., `Synthesis of 4-Borono-L-phenylalanine.`
J. Org. Chem. 1995, 60, p7508-7510, Ishiyama et al., `Palladium(O)-Catalyzed Cross-Coupling Reaction of Alkoxydiboron with Haloarenes: A Direct Proceedure for Arylboronic Esters.`,1995.

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