title: Asymmetric aldol reactions catalyzed by tryptophan in water.
abstract: Tryptophan was shown to be able to catalyze direct aldol reactions between various cyclic ketones and aromatic aldehydes in water with high enantioselectivity.
authors.affiliation: Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Republic of Singapore.
authors.forename: Zhaoqin
authors.initials: Z
authors.lastname: Jiang
authors.forename: Zhian
authors.initials: Z
authors.lastname: Liang
authors.forename: Xiaoyu
authors.initials: X
authors.lastname: Wu
authors.forename: Yixin
authors.initials: Y
authors.lastname: Lu