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CAS No. : | 43088-64-8 | MDL No. : | MFCD00205193 |
Formula : | C7H6N2OS | Boiling Point : | 403.9°C at 760 mmHg |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 166.20 g/mol | Pubchem ID : | - |
Synonyms : |
|
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: |
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* 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 |
---|---|---|
39% | at 110℃; for 1 h; | Step 2. Preparation of 4-chloro-5-methyl-thienor2.3-dlpyrimidine; The compound, 5-methyl-thieno[2,3-d]pyrimidin-4-ol, (1.4g, 8.42mmol) prepared in the step 1 was dissolved in phosphorusoxy chloride (5ml). Thereafter, the reaction mixture was stirred at 11O0C for 1 hour. After reaction, the reaction mixture was poured into ice water and chloroform, and washed with water and saturated sodium hydrogen carbonate aqueous solution. Combined organic layer was concentrated under reduced pressure. The residue was purified by recrystallization (n-hexane and ethyl acetate) to give 590mg (yield: 39percent, yellow solid) of the target compound.[514] 1U NMR(400D, CDCI): δ 8.81 (s, IH), 7.24 (s, IH), 2.70 (s, 3H). |
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