Methane chlorotriphenyl

Metal reaction vessel, 83, 102 Methacrylamide, 29, 61 Methacrylamide sulfate, 39, 62 Methacrylic acid, 29, 4 /3-Methallyl lactate, 26, 6 Methane, chlorotriphenyl-, 23,100, 102... 

Tri- butylpyrylium can be obtained by dehydrogenating the corresponding 1,5-diketone with triphenylmethyl fluoroborate, It was shown by Farcasiu that 1,5-diketones can also he dehydrogenated and dehydrated to pyrylium salts by triphenylmethyl hexachloroantimonate generated in situ from chlorotriphenyl-methane and antimony pentachloride. Even pentaphenylpyrylium may thus be prepared at room temperature. ... 

Example The extraordinary stable trityl ion, PhsC, m/z 243, tends to dominate mass spectra (Chap. 6.6.2). Thus, neither the El spectrum of chlorotriphenyl-methane nor that of its impurity triphenylmethanol show molecular ions (Fig. 8.11). An isobutane PICI spectrum also shows the trityl ion almost exclusively, although some hint is obtained from the Ph2COH ion, m/z 183, that cannot be explained as a fragment of a chlorotriphenylmethane ion. Only FD reveals the presence of the alcohol by its molecular ion at m/z 260 while that of the chloride is detected at m/z 278. Both molecular ions undergo some OH or Cl loss, respectively, to yield the Ph3C fragment ion of minor intensity. 

Perlin, but a definite structure was not given. During the same work, both anomers of ethyl n-fructofuranoside were treated with chlorotriphenyl-methane. Only the /J-d anomer gave a crystalline 1,6-di-O-trityl derivative. The positions of the ether groups were determined by periodic acid oxidation, and, in both cases, one mole was consumed per mole. 

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