Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfur containing
Patent
1991-05-28
1993-02-09
Cintins, Marianne M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfur containing
568 34, 585351, C07C31504, C07C31710, C07C40304
Patent
active
051854686
ABSTRACT:
Provided is a novel process for readily producing .beta.-carotene by reacting a sulfone compound represented by the general formula (1), (2) or (3) with an alkali, ##STR1## wherein R represents a phenyl group which may be substituted, R' a protecting group of acetal type and X a halogen atom.
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The Journal of Organic Chemistry, vol. 51, No. 15, 1986 American Chemical Society, Otera et al., "Stereocontrolled Synthesis of Vitamin A through a Double Elimination Reaction. A Novel Convergent C10+C10 Route", pp. 3834-3838 *Totality*.
House, H. O., "Modern Synthetic Reactions", 2nd Ed., Ch. 5, pp. 265-267, (The Benjamin Kummings Pub. Co.), Mass., (1972).
Fujii Hiroshi
Mori Toshiki
Onishi Takashi
Yamamoto Kazuo
Cintins Marianne M.
Kuraray Company Ltd.
Peabody John
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