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Chemical Structure| 184475-78-3 Chemical Structure| 184475-78-3

Structure of 184475-78-3

Chemical Structure| 184475-78-3

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Product Details of [ 184475-78-3 ]

CAS No. :184475-78-3
Formula : C15H11F2N3O2
M.W : 303.26
SMILES Code : OC1=CC2=C(NC3=CC=C(F)C(F)=C3)N=CN=C2C=C1OC

Safety of [ 184475-78-3 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Application In Synthesis of [ 184475-78-3 ]

* 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 [ 184475-78-3 ]

[ 184475-78-3 ] Synthesis Path-Downstream   1~1

  • 1
  • 4-chloro-7-methoxyquinazolin-6-yl acetate hydrochloride salt [ No CAS ]
  • [ 184475-78-3 ]
  • [ 179688-53-0 ]
  • [ 3863-11-4 ]
  • 6-acetoxy-4-(3',4'-difluoroanilino)-7-methoxyquinazoline hydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
With thionyl chloride; In isopropyl alcohol; The 4-(3',4'-difluoroanilino)-6-hydroxy-7-methoxyquinazoline used as a starting material was obtained as follows: A mixture of 6-acetoxy-4-chloro-7-methoxyquinazoline hydrochloride ›obtained from <strong>[179688-53-0]6-acetoxy-7-methoxy-3,4-dihydroquinazolin-4-one</strong> (6 g) and thionyl chloride (87[ml)], 3,4-difluoroaniline (2.9 ml) and isopropanol (170 ml) was stirred and heated to reflux for 4 hours. The precipitate was isolated, washed with isopropanol and dried. There was thus obtained 6-acetoxy-4-(3',4'-difluoroanilino)-7-methoxyquinazoline hydrochloride (7.5 g); NMR Spectrum: 2.4 (s, 3H), 4.0 (s, 3H), 7.45-7.6 (m, 3H), 7.95 (m, 1H), 8.8 (s, 1H), 8.95 (s, 1H), 11.5 (broad s, 1H).
 

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