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CAS No. : | 615-18-9 | MDL No. : | MFCD00005766 |
Formula : | C7H4ClNO | Boiling Point : | - |
Linear Structure Formula : | C6H4OC(Cl)N | InChI Key : | BBVQDWDBTWSGHQ-UHFFFAOYSA-N |
M.W : | 153.57 | Pubchem ID : | 11986 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
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 triethylamine; In tetrahydrofuran; water; | (1) Methyl (2S,4R)-4-amino-1-tert-butoxycarbonylpyrrolidine-2-carboxylate [product of Reference Example 4(2), 3.32 g] and triethylamine (1.4 mL) were dissolved in tetrahydrofuran (20 mL). 2-Chlorobenzoxazole (0.86 mL) was added thereto and the mixture was stirred at room temperature for 48 hr. The reaction mixture was added to water and extracted with ethyl acetate. The extract was washed with saturated aqueous sodium hydrogencarbonate solution and brine, and dried. The solvent was evaporated under reduced pressure and the residue was purified by silica gel chromatography to give methyl (2S,4R)-4-(2-benzoxazolyl)amino-1-tert-butoxycarbonylpyrrolidine-2-carboxylate (1.48 g) as a white solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
EXAMPLE 2 Using the method of Example 1, 11.9 g (0.1 mol) of 1,3-benzoxazole were reacted under the same conditions to give 2-chlorobenzoxazole. |
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