NC1C=C(C(F)(F)F)C=C(Cl)C=1OC1C=CC([N+]([O-])=O)=C(C=1)C(OC)=O.S(Cl)(Cl)=O.CS(N)(=O)=O.[CH3:36][S:37]([NH:40][C:41](=[O:63])[C:42]1[CH:47]=[C:46]([O:48][C:49]2[CH:54]=[C:53]([C:55]([F:58])([F:57])[F:56])[CH:52]=[CH:51][C:50]=2[Cl:59])[CH:45]=[CH:44][C:43]=1[N+]([O-])=O)(=[O:39])=[O:38]>N1C=CC=CC=1>[CH3:36][S:37]([NH:40][C:41](=[O:63])[C:42]1[CH:43]=[CH:44][CH:45]=[C:46]([O:48][C:49]2[CH:54]=[C:53]([C:55]([F:58])([F:57])[F:56])[CH:52]=[CH:51][C:50]=2[Cl:59])[CH:47]=1)(=[O:38])=[O:39]The acid from (b) (0.8 g) was treated with thionyl chloride followed by methanesulphonamide and pyridine as described in paragraph (d) above for compound 32. The product was recrystallised from a mixture of ether and petroleum (b.p. 40°-60°) to give compound 31 with a melting point of 132°-133°.
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