Propenals substituted with a dithiane ring and processes for the

Details Propenals substituted with a dithiane ring and processes for the Propenals substituted with a dithiane ring and processes for the

1992-06-12

1994-03-22

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 22, C07D33908

Patent

active

052966119

ABSTRACT:
Propenals of formula: ##STR1## in which formula R is H or a C.sub.1 -C.sub.4 thioalkyl radical, the dithiane ring being at the cis position in relation to the aldehyde function when R is H and at the trans position when R is a thioalkyl radical. The invention also relates to two processes for the preparation of these propenals.

REFERENCES:
Solladie et al, Synett, Nov. 1991, pp. 795 & 796.
Sato et al: "Preparation of chiral C5-building blocks for terpene synthesis by bakers' yeast reduction of sulfur-functionalized prenyl derivatives", Tetrahedron Letters, vol. 29, No. 18, (1988), pp. 2197-2200.
Rustemeier et al: "(E)-3-(1,3-Dithian-2-yl) acroleine als geschotzte Fumardialdehyde durch Oxopropenylierung des 1,3-Dithians", Chemische Berichte, vol. 115, No. 12 (1982), pp. 3898-3903.
Greene, "Protective books in Organic Synthesis" (1981) pp. 133-140.
G. Solladie et al, Chemical Abstracts 116: 83604n, p. 813, (1992).
G. Solladie et al., Tetrahedron Letters, 32 (44), pp. 6329-6332 (1991).
F. Carey et al., "Advanced Organic Chemistry," 2nd ed, 205-206 (1983) Plenum Press, New York.

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