Phenanthrene-4,5-dicarboxylic acid Schmidt reaction

Under the Schmidt reaction conditions, the lactol (152) of 4-formyl-5-phenanthroic acid gives 1 -aza-pyren-2(lW)-one (153) and phenathrene-4,5-dicarboximide (154)." The compound (153) may be formed by attack of hydrazoic acid at the latent aldehyde site in preference to the carboxy site (see Section 4.4.4.2). Phenanthrene-4,5-dicarboxylic acid (155), obtained by oxidation of (152), similarly affords... 

---

See also in sourсe #XX -- [ , ]

See also in sourсe #XX -- [ ]

See also in sourсe #XX -- [ , ]

See also in sourсe #XX -- [ ]

---