Online Encyclopedia

RETENE (methyl isopropyl phenanthrene...

Online Encyclopedia
Originally appearing in Volume V23, Page 202 of the 1911 Encyclopedia Britannica.
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RETENE (methyl isopropyl phenanthrene), C18H,8, a hydro-carbon present in the coal-tar fraction, boiling above 36o° C.; it also occurs in the tars obtained by the distillation of resinous woods. It crystallizes in large plates, which melt at 98.5° C. and boil at 390° C. It is readily soluble in warm ether and in hot glacial acetic acid. Sodium and boiling amyl alcohol reduce it to a tetrahydroretene, whilst if it be heated with phosphorus and hydriodic acid to 26o° C. a dodecahydride is formed. Chromic acid oxidizes it to retene quinone, phthalic acid and acetic acid. It forms a picrate which melts at 123–124° C.
End of Article: RETENE (methyl isopropyl phenanthrene), C18H
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