R factor = 0.032; wR factor = 0.076; data-to-parameter ratio = 7.6. The title chiral compound, C14H16N2O2, was prepared by esterification of (S)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazolin-1-carboxylic acid in the presence of HCl/EtOH. In the molecule, the quinazoline ring is non-planar and exhibits a distorted half-chair conformation, while the five-membered ring shows a typical envelope conformation. Intermolecular C—H N hydrogen bonding helps to stabilize the crystal structure. Related literatur
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