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[figure: see text] A solid-phase route to substituted benzimidazoles has been developed using a modified base-labile linker strategy to release the final products in a traceless manner. This approach permits the synthesis of diverse compounds in moderate yields and high purity.

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An on-line sample preparation method utilizing a time-programmed autosampler is described for high throughput liquid chromatography/mass spectrometry (LC/MS). This approach is particularly helpful for the LC/MS analysis of samples which require solvents incompatible with HPLC in the sample preparation process. The on-line sample preparation approach minimizes a bottleneck in throughput and improves sample recovery under some circumstances.