The insertion and extrusion of heterosulfur bridges. VII. Desulfurization of phenanthro[4,5‐ bcd ]thiophene by means of methanol and a molybdena catalyst | Zendy

Klemm L. H. | Zendy; Karchesy Joseph J. | Zendy; Lawrence Ross F. | Zendy

Premium

The insertion and extrusion of heterosulfur bridges. VII. Desulfurization of phenanthro[4,5‐ bcd ]thiophene by means of methanol and a molybdena catalyst

Author(s) -

Klemm L. H.,

Karchesy Joseph J.,

Lawrence Ross F.

Publication year - 1978

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570150310

Subject(s) - chemistry , thiophene , methanol , catalysis , flue gas desulfurization , extrusion , oxide , phenanthrene , organic chemistry , medicinal chemistry , metallurgy , materials science

Phenanthro[4,5‐ bcd ]thiophene ( 1 ) is converted into phenanthrene ( 2 ) (50%) and a mixture of methylphenanthrenes ( 3 ) (12%) by means of methanol and a sulfided cobaltous oxide‐molybdic oxide‐aluminum oxide catalyst (CMA‐1) at 450° in a flow system. Similarly, 2 gives 3 ; and 4‐methylphenanthrene yields 2 plus 3 (main component 3‐methylphenanthrene) under the same reaction conditions. Mechanisms of the reactions are discussed. A facile chromatographic separation for 1‐ and 4‐keto‐1,2,3,4‐tetrahydrophenanthrenes is presented.

This content is not available in your region!

Continue researching here.

Having issues? You can contact us here

Accelerating Research