D-mannite derivatives as starting products for the synthesis of

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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568852, C07C 3126

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active

048047899

ABSTRACT:
The invention concerns D-mannitol derivatives of the general formula I ##STR1## wherein R.sup.1 and R.sup.2 are the same or different, and when R.sup.1 R.sup.2 are the same, signify a straight-chained or branched alkyl, alkenyl or alkynyl group with 6 to 24 carbon atoms, which can contain cycloalkyl radicals with 3 to 6 carbon atoms, aryl radicals, benzyloxy, allyloxy, mesyloxy and/or halogen substituents and, when R.sup.1 and R.sup.2 are different, signify a straight-chained or branched alkyl group with 1 to 24 carbon atoms, which can contain cycloalkyl radicals with 3 to 6 carbon atoms, aryl radicals, benzyloxy, allyloxy, mesyloxy and/or halogen substituents, or a straight-chained or branched alkenyl or alkynyl group with 3 to 24 carbon atoms, which can contain cycloalkyl radicals with 3 to 6 carbon atoms, aryl radicals, benzyloxy, allyloxy, mesyloxy and/or halogen substituents, and R.sup.1 can also be trityl. Starting from these D-mannitol derivatives, there can be obtained, in simple manner and with good yields, phospholipids in the form of their optically pure stereoisomers.

REFERENCES:
patent: 4258222 (1981-03-01), Mohring et al.
patent: 4292451 (1981-09-01), de Beradinis et al.
patent: 4684720 (1987-09-01), Darsow et al.
"Atlas Mannitol", I.C. Dep. of Atlas Powder Co., Wilmington, Del., pp. 1-8.

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