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Iodination [Synthetic Reagents]

 1,3-Diiodo-5,5’-dimethylhydantoin (DIH) [D3657], which was first reported by Ozazi, is an useful iodinating reagent.1) DIH has higher reactivity and selectivity than molecular iodine or N-iodosuccinimide (NIS), which are frequently used for iodination reaction. DIH is a pale yellow solid that does not sublime like molecular iodine, and has low toxicity, which makes it easier to handle. In addition, dimethylhydantoin, which is formed after the reaction, can easily be removed by aqueous extraction.
 DIH reacts smoothly at room temperature with aromatic compounds in the presence of sulfuric acid to give the corresponding iodinated aromatic compounds in a high regioselectivity and a high yield. Moreover, even low-activated substances such as nitrobenzene can easily be iodinated by using sulfuric acid.2)
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Product Number I0308
CAS RN 16029-98-4
Purity / Analysis Method: >95.0%(T)

Product Number D4340
CAS RN 29085-13-0
Purity / Analysis Method: >98.0%(T)

Product Number D3657
CAS RN 2232-12-4
Purity / Analysis Method: >97.0%(T)

Product Number I1186
CAS RN 7790-99-0
Purity / Analysis Method: >98.0%(T)

Product Number P2086
CAS RN 6443-90-9
Purity / Analysis Method: >98.0%(T)

Product Number I0784
CAS RN 86340-94-5
Purity / Analysis Method: >98.0%(T)

Product Number I1052
CAS RN 20919-42-0
Purity / Analysis Method: >98.0%(T)

Product Number I0604
CAS RN 7553-56-2
Purity / Analysis Method: >98.0%(T)

Product Number T2717
CAS RN 1838-41-1
Purity / Analysis Method: >95.0%(T)

Product Number B2359
CAS RN 113119-46-3
Purity / Analysis Method: >98.0%(HPLC)

Product Number B1604
CAS RN 114971-52-7
Purity / Analysis Method: >97.0%(T)

Product Number B2539
CAS RN 15656-28-7
Purity / Analysis Method: >95.0%(T)

Product Number:   I0308 | Purity / Analysis Method:   >95.0%(T)

Product Number:   D4340 | Purity / Analysis Method:   >98.0%(T)

Product Number:   D3657 | Purity / Analysis Method:   >97.0%(T)

Product Number:   I1186 | Purity / Analysis Method:   >98.0%(T)

Product Number:   P2086 | Purity / Analysis Method:   >98.0%(T)

Product Number:   I0784 | Purity / Analysis Method:   >98.0%(T)

Product Number:   I1052 | Purity / Analysis Method:   >98.0%(T)

Product Number:   I0604 | Purity / Analysis Method:   >98.0%(T)

Product Number:   T2717 | Purity / Analysis Method:   >95.0%(T)

Product Number:   B2359 | Purity / Analysis Method:   >98.0%(HPLC)

Product Number:   B1604 | Purity / Analysis Method:   >97.0%(T)

Product Number:   B2539 | Purity / Analysis Method:   >95.0%(T)

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