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Chemical Structure| 680208-83-7 Chemical Structure| 680208-83-7

Structure of 680208-83-7

Chemical Structure| 680208-83-7

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Product Details of [ 680208-83-7 ]

CAS No. :680208-83-7
Formula : C8H9IN2O2
M.W : 292.07
SMILES Code : O=C(OC)C1=C(C)N=C(N)C(I)=C1
MDL No. :MFCD14706239

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Application In Synthesis of [ 680208-83-7 ]

* 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.

  • Downstream synthetic route of [ 680208-83-7 ]

[ 680208-83-7 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 872355-52-7 ]
  • [ 680208-83-7 ]
YieldReaction ConditionsOperation in experiment
88.9% With sodium periodate; iodine; In N,N-dimethyl-formamide; at 50℃; for 1.5h; Sodium periodate (4.05 g, 18.9 mmol) and iodine (9.62 g, 37.9 mmol) were added to a solution of <strong>[872355-52-7]methyl 6-amino-2-methylnicotinate</strong> (8.40 g, 50.5 mmol) in DMF (45 ml), and the mixture was then stirred at 50 C. for 1.5 hours. The reaction mixture was added to a cold solution of 250 ml of saturated sodium thiosulphate solution in 150 ml of water. The solid formed was filtered off with suction, washed with water and dried. This gave 13.4 mg (88.9% of theory) of methyl 6-amino-5-iodo-2-methylnicotinate. HPLC-MS: log P=1.55; mass (m/z): 293.0 (M+H)+; 1H-NMR (D6-iDMSO) 2.50 (s, 3H), 3.74 (s, 3H), 6.81 (br. s, 1H), 8.25 (s, 1H).
With sodium periodate; iodine; In N,N-dimethyl-formamide; at 60℃; for 48h; To a N,N-dimethylformamide (20 mL) solution of 6-Amino-2-methyl-nicotinic acid methyl ester (1.65 g) was added iodine (2.02 g) and sodium metaperiodate (0.85 g). The reaction was then heated at 60 0C for 48 h. After cooling to room temperature, the reaction was poured into the solution of sodium metabisulfite. The solid thus separated was filtered, washed with water and dried under high vacuum overnight (Yield: 1.8 g, Rf: 0.74 min, Condition B, M+H+: 293).
 

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