Chemistry is traditionally divided into organic and inorganic chemistry. SDS of cas: 3382-18-1, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 3382-18-1
Synthesis of both enantiomers of protoberberines via laterally lithiated (S)-4-isopropyl-2-(o-tolyl)-oxazolines
The addition of the laterally lithiated (S)-4-isopropyl-2-(o- tolyl)oxazoline (1) to 6,7-dimethoxy-3,4-dihydroisoquinoline (2) proceeded in modest diastereoselectivity. However, the addition products (3a) and (3b) were easily separated by column chromatography over silica gel. Acid-catalyzed lactamization of 3a and 3b followed by LiAlH4-reduction afforded the corresponding optically pure protoberberines (8a) and (8b), respectively. This procedure was successfully applied to the synthesis of both enantiomers of xylopinine and bharatamine.
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Reference£º
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem