N2 (benzyloxycarbonyl)-4(R)-(tert-butoxyformamido)-N1-tert.butyl-L-prolinamide → 4(R)-(tert-butoxyformamido)-N1-tert.butyl-L-prolinamide

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Reaction Steps

0.25 g of N2 -(benzyloxycarbonyl)-4(R)-(tert-butoxyformamido)-N1 -tert.butyl-L-prolinamide was dissolved in ethanol and hydrogenated over 0.1 g of 10% palladium-on-carbon at room temperature and under atmosphericpressure for 4 hours. The catalyst was filtered off and the filtrate was evaporated to give 0.17 g of 4(R)(tert.butoxyformamido)-N1 -tert.butyl-L-prolinamide as a glass which was used without further purification.

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