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CAS No. : | 3133-78-6 | MDL No. : | MFCD01830305 |
Formula : | C10H8O2S | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | YVKLUKXESFJRCE-UHFFFAOYSA-N |
M.W : | 192.23 | Pubchem ID : | 821868 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H319 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine; In N,N-dimethyl-formamide; at 20℃; | Example 5: Tetrahydropyridine 5 was prepared in 2 steps starting with the deprotection of 1 usingMethod 3. The resulting HCl amine salt was dissolved in 7V,7V-dimethylformamide (0.2 M). 3- Methyl-l-benzothiophene-2-carboxylic acid (1.0 equiv) and PyBOP (1.0 equiv) were added followed by the dropwise addition of triethylamine (3.0 equiv). After stirring at room temperature for 30 min, the reaction was diluted with water and filtered. The isolated material was then purified using semi -preparatory liquid chromatography to isolate the fraction of desired boronic acid 5 that resulted from pinacol ester deprotection during the course of the acid coupling. [M-H]- = 300.1 m/z. Activity: B |