sialic acid 9-O acetylation

[Martin Dalziel]

Anyone know of a method for de 9-0 acetylation of Neu5,9Ac2 that does
not effect the c5 acetyl group?
Is there a specific acetytlase avaliable (i.e. sialate
9-O-acetylesterase, EC 3.1.1.53)?

Martin Dalziel
M.Dalziel at icrf.icnet.uk