Process for the manufacture of quinone derivatives

Details Process for the manufacture of quinone derivatives Process for the manufacture of quinone derivatives

1984-07-24

1986-07-29

Reamer, James H.

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

Organic compounds

Oxygen containing

568373, 568347, 568315, C07C 49252

Patent

active

046032231

ABSTRACT:
A novel process for the manufacture of quinone derivatives is described.
In this process a compound of the formula ##STR1## is reacted with a compound of the formula ##STR2## and the resulting compound of the formula ##STR3## is subjected to a retro-Diels-Alder reaction. The substituents R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the significance given in the description.

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patent: 4374775 (1983-02-01), Dotz
Chem. Abstract, 54: 2294j (1960).
Houben-Weyl, "Methoden der Organischen Chemie", 4, Auflage, Band V/1c: Kohlenwasserstoffe, Teil 3 (1970) Georg Thieme, Verlag, Stuttgart, p. 1028, Table 10.
Onishchenko, A. S., "Diene Synthesis," Israel Program for Scientific Translations, Jerusalem, 1964, pp. vii-viii and 300-303.

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