Dietylaminopropin → HCID 15390912, compound

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Reaction Steps

1-(5-Diethylamino-2-hydroxy-2-methyl-3-pentynyl)-3-methyl-7-propylxanthine was prepared as oily substance in 48% yield using 3-methyl-1-(2-oxopropyl)-7-propylxanthine and N,N-diethyl-2-propynylamine as in Example 6C1). Salt formation with fumaric acid as in Example 7F2) took place in 98% yield. Melting point: 109° C. C23H33N5O7 (MW=491.56 g/mol), base C19H29N5O3 (MW=375.48 g/mol)

Provenance & Evidence