TABLE 2.

Scope of Enzymatic Deacetylation of Cephalosporins 5–9^a

Compound	n	R	Yieldb(Conv.)c
10	0	H	N/A
11	0	Benzhydryl	52 (100)
12	0	p-methoxybenzyl	N/A
13	1	t-butyl	70
14	2	t-butyl	58

^aAll reactions were performed in an incubated shaker with 50 mass % CAL B;

^bIsolated % yield;

^c% Conversions determined using ¹H NMR spectroscopy.