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Chemical Structure| 29209-30-1 Chemical Structure| 29209-30-1

Structure of 29209-30-1

Chemical Structure| 29209-30-1

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Product Details of [ 29209-30-1 ]

CAS No. :29209-30-1
Formula : C11H11NO3S
M.W : 237.27
SMILES Code : O=C(C1N(C)SC2=CC=CC=C2C1=O)OC
MDL No. :N/A

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Application In Synthesis of [ 29209-30-1 ]

* 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 [ 29209-30-1 ]

[ 29209-30-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 1597-32-6 ]
  • [ 29209-30-1 ]
  • N-(6-fluoro-pyridin-2-yl)-3,4-dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide [ No CAS ]
YieldReaction ConditionsOperation in experiment
72.3% In 5,5-dimethyl-1,3-cyclohexadiene; (2) Synthesis of N-(6-fluoro-2-pyridyl)-3,4-dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide A mixture consisting of 7.68 g (0.0285 mole) of methyl 3,4-dihydro-2-methyl-4-oxo-2H-benzothiazine-3-carboxylate 1,1-dioxide, 4.8 g (0.0428 mole) of <strong>[1597-32-6]2-amino-6-fluoropyridine</strong>, and 29 ml of xylene was refluxed for 17 hours, during which the methanol formed by this reaction was continuously distilled off. After the mixture was cooled by allowing it to stand overnight, the resulting precipitate was separated by filtration. The filtrate was concentrated and then cooled to obtain an additional precipitate, which was combined with the previously obtained precipitate and washed with hot chloroform. Thus, 7.2 g of crystals having a melting point of 246-248 C. (decomp.) were obtained in a 72.3% yield. Elemental analysis--Calc.d for C15 H12 FN3 O4 S (mol. wt. 349.35): C, 51.55; H, 3.46; F, 5.44; N, 12.03; S, 9.18. Found: C, 51.69; H, 3.23; F, 5.55; N, 12.29; S, 9.14.
 

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