Process for the preparation of garamine and garamine derivatives

Details Process for the preparation of garamine and garamine derivatives Process for the preparation of garamine and garamine derivatives

1977-10-20

1980-08-19

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

536 4, 536120, C07H 1522

Patent

active

042185610

ABSTRACT:
A process for the preparation of garamine and garamine derivatives of the formula (I) ##STR1## wherein the radicals R.sup.1 are each H or amino-protecting groups and the radicals R.sup.2 are each H or hydroxyl-protecting groups, comprises selectively cleaving in a strong acid a compound of formula (II) or a mixture thereof ##STR2## wherein R.sup.3 is acyl, R.sup.4 and R.sup.5 are each H or CH.sub.3 and R.sup.1 and R.sup.2 are the same as in formula (I).

REFERENCES:
patent: 4000261 (1976-12-01), Daniels
patent: 4063015 (1977-12-01), Mallams

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