| abstract |
NEW POLYALKYLNAPHTHYRIDINES-2,7 AND ESPECIALLY NEW TETRAALKYL-1,3,6,8-NAPHTHYRIDINES-2,7 AND THEIR PROCESS FOR PREPARATION BY POLYACYLATION OF AN ISOOLEFINE OR OF AN ISOOLEFINE PRECURSOR SUCH AS A TERTIARY HALOGENIDE, TERTIARY ALCOHOL, THEN TREATMENT OF THE POLYACYLATION PRODUCT WITH AMMONIA OR AN AMMONIUM SALT IN ANHYDROUS MEDIUM. THE NEW POLYALKYLNAPHTHYRIDINES MAY BE USED AS AN INTERMEDIATE IN ORGANIC SYNTHESIS. |