Dibenzo[a,d]cycloheptenes

Details Dibenzo[a,d]cycloheptenes Dibenzo[a,d]cycloheptenes

1975-05-19

1978-08-01

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6976

Patent

active

041044754

ABSTRACT:
The maleic acid adduct of anthracene is used as a starting material for 11-amino-12-carboalkoxy-9,10-dihydro-9,10-ethanoanthracene, which through reaction with nitrous acid in a protic solvent provides an 11-substituted-12-carboalkoxy-10,11-dihydro-5,10-methano-5H-dibenzo[a,d]cy cloheptene which is then converted into the useful intermediate 12-carboxy-10,11-dihydro-5,10-methano-5H-dibenzo[a,d]cycloheptene.

REFERENCES:
patent: 3242186 (1966-03-01), Dershowitz
patent: 3406186 (1968-10-01), Davis et al.
patent: 3798329 (1974-03-01), Huebner
patent: 3818020 (1974-06-01), Huebner

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