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CAS No. : | 5398-69-6 | MDL No. : | MFCD00277941 |
Formula : | C7H4INO4 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | XWOGTRRVKVPJSP-UHFFFAOYSA-N |
M.W : | 293.02 | Pubchem ID : | 220966 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | 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 |
---|---|---|
Synthesized according to a slight modification of two previously reported procedures.18 Neat2-iodobenzoic acid (3.00 g, 12.1 mmol) was cooled down to 0 C, to which was added a mixture offuming HNO3 (3.0 mL) and concentrated H2SO4 (13.5 mL). This mixture was then stirred at 0 C for 1 h,then at rt for 30 min, and finally at 135 C for 2 h, before being cooled back down to rt. The resultingsolution was poured into plenty of ice water and filtered. The solid was transferred to an Erlenmeyer flaskand suspended in water (300 mL), then heated to a boil. A solution of KI (2.41 g, 14.5 mmol) in water (15mL) acidified to pH 3 with a few drops of concentrated H2SO4 was added portion-wise to this boiling suspension (I2 vapors were generated with each portion). Omitting this step as in Subramanian?s reportyields the iodoso analog. The solution was filtered while still boiling, then the filtrate was stored at 4 Cfor 18 h after which time the desired compound precipitated. 2-Iodo-5-nitrobenzoic acid was thencollected by filtration while still cold to afford 1.73 g (49%) as a 13:2 mixture with the undesired2-iodo-3-nitrobenzoic acid isomer. The inseparable mixture was used as is in the next step.Characterization matches the data previously reported in the literature |
[ 35453-19-1 ]
5-Amino-2,4,6-triiodoisophthalic acid
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