Patent ID: 7402679
Filing Date: 2008-07-22
Classification: C07D

Abstract:
1. A process for preparation of a compound of structure (I) comprising: wherein “n” is 2-9 and “X” is a group consisting of at least one of alkyl, aryl, and oligoether, reacting in a first solvent an inorganic azide and a divalent zinc salt with a nitrile having the general structure (II), where “n” of said nitrile has a value of 2 to 9, at a temperature in the range from about 70° C. to about 170° C. for a time period in the range from about 1 hour to about 24 hours, allowing contact of reactants, “X” is a group consisting of at least one of alkyl, aryl, and oligoether, to form a first composition; cooling said first composition to about room temperature to form a second composition including poly tetrazole having the general structure (III), wherein “n” has a value of 2 to 9, and “H” is chemically bonded to N isolating said poly tetrazole by recrystallization or precipitation from a suitable second solvent; reacting said poly tetrazole in a third solvent with a soluble reversible or non-reversible base and 2-chloro-ethanol at a temperature in the range from about 70° C. to about 150° C. for a time period in the range from about 1 hour to about 24 hours, allowing contact of reactants, to form a third composition; cooling said third composition to about room temperature to form a fourth composition including tetrazole polyol having the general structure (I), wherein “R” is a group consisting of at least one of alkyl, aryl, and oligoether, and “R” is chemically bonded to N wherein said structure (I) is prepared in a one-pot process.