Solid-Phase Organic Synthesis

4000

3000

2000

10004000

3000

2000

10004000

3000

2000

10004000

3000

2000

1000

Wavenumber

(cm-l)

Figure 7.4. Single-bead

IR spectra

of the

product

for

the

reaction

3 at various

times on

PS =

polystyrene,

AP = ArgoPore,

Tube = Microtube

reactor,

and

PS-PEG

= polystyrene-polyethyleneglycol

resin.