Process for the manufacture of a mixture of .alpha.- and .beta.-

Details Process for the manufacture of a mixture of .alpha.- and .beta.- Process for the manufacture of a mixture of .alpha.- and .beta.-

1990-09-06

1992-05-12

Reamer, James H.

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

Organic compounds

Oxygen containing

568361, 568343, 568303, 568700, C07C 4567

Patent

active

051130211

ABSTRACT:
A process for the manufacture of .alpha.- and .beta.-irone, namely the compounds of formula I, as well as novel intermediates in the process is provided. ##STR1##

REFERENCES:
patent: 3470261 (1969-09-01), Eschenmoser et al.
patent: 3496240 (1970-02-01), Sturzenegger
patent: 3649694 (1972-03-01), Eshenmoser et al.
D. Felix et al., Chimia 18(1964) 174.
K. Kleveland et al., Acta Chem Scand. B 31 (1977) 463.
Org. Syn. 54 (1974) 11.
G. Saucy et al., Helv. Chim. Acta 50 (1967) 1158.
I. Kuwajima et al., Tet. Lett. 21 (1980) 3209.
T. F. Rutledge, "Acetylenes And Allenes", Reinhold Book Corp., N.Y. (1968) 47.

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