N-[(9R)-6'-Methoxycinchonan-9-yl]-N'-[[(1R,4aS,10aR)-1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-isopropyl-1-phenanthrenyl]methyl]thiourea is a chiral thiourea catalyst that has emerged as an efficient class of organocatalysts due to their unique dual hydrogen-bonding capacity.