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CAS No. : | 536-40-3 | MDL No. : | MFCD00007603 |
Formula : | C7H7ClN2O | Boiling Point : | - |
Linear Structure Formula : | H2NNHC(O)C6H4Cl | InChI Key : | PKBGHORNUFQAAW-UHFFFAOYSA-N |
M.W : | 170.60 | Pubchem ID : | 10816 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-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 |
---|---|---|
95% | In ethanol; at 60℃; for 16h; | Example 8Preparation of 4-chlorobenzoic acid [1-(2-chloro-6-hydroxyphenyl)-methylidene]-hydrazide (Compound 70) A suspension of <strong>[18362-30-6]2-chloro-6-hydroxybenzaldehyde</strong> (0.10 g, 0.64 mmol) and 4-chlorobenzoic acid hydrazide (0.10 g, 0.61 mmol) in EtOH (3 mL) was agitated and heated to 60° C. for 16 h. The reaction mixture was cooled to room temperature and H2O (1-2 mL) was added portionwise to precipitate the product. The solid was collected via suction filtration and rinsed with ethanol to furnish the title compound as an off-white solid (0.18 g, 95percent): mp 273-277° C.; 1H NMR (400 MHz, DMSO-d6) delta 12.53 (s, 1H), 12.51 (s, 1H), 9.04 (s, 1H), 8.03-7.95 (m, 2H), 7.71-7.63 (m, 2H), 7.34 (t, J=8.2 Hz, 1H), 7.07 (dd, J=7.9, 0.9 Hz, 1H), 6.96 (d, J=8.2 Hz, 1H); ESIMS m/z 309 ([M+H]+), 307 ([M-H]-). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | With sulfuric acid; acetic acid; In methanol; water; for 1h;Reflux; | General procedure: Compounds of series I were synthesized by refluxing <strong>[92-55-7]5-nitro-2-furaldehyde diacetate</strong> 98% (5 mmol) and benzhydrazides (3) (5 mmol) in water, sulphuric acid, acetic acid, and methanol (8:7:8:20 v/v) for 1 h. After cooling, the mixture was poured into cold water to precipitate the azomethine derivatives 20(see structural elucidation of the compounds of series I in Supplementary data, p. S2). |
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