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Halogenoheterocyclization of 2-(allylthio)quinolin-3-carbaldehyde and 2-(propargylthio)quinolin-3-carbaldehyde
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Abstract
The reaction of 2-allyl(propargyl)thioquinolin-3-carbaldehyde with halogens (Br or I) results in formation of 1-halogenomethyl(halogenomethylidene)-4-formyl-1,2-dihydrothiazolo[3,2-
a
]-quinolinium trihalogenide. In the case of the propargylic derivative the process is stereoselective.
Title: Halogenoheterocyclization of 2-(allylthio)quinolin-3-carbaldehyde and 2-(propargylthio)quinolin-3-carbaldehyde
Description:
Abstract
The reaction of 2-allyl(propargyl)thioquinolin-3-carbaldehyde with halogens (Br or I) results in formation of 1-halogenomethyl(halogenomethylidene)-4-formyl-1,2-dihydrothiazolo[3,2-
a
]-quinolinium trihalogenide.
In the case of the propargylic derivative the process is stereoselective.
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Stereoselective synthesis of (
E
)-halomethylidene[1,3]thiazolo[3,2-
a
]thieno[3,2-
e
]pyrimidinium and analogous [1,3]oxazolo[3,2-
Stereoselective synthesis of (
E
)-halomethylidene[1,3]thiazolo[3,2-
a
]thieno[3,2-
e
]pyrimidinium and analogous [1,3]oxazolo[3,2-
Abstract
A convenient procedure for the stereoselective synthesis of [1,3]thiazolo[3,2-
a
]thieno[3,2...