2,8,9-三氧杂-5-氮杂-1-钛三环[3.3.3.0~(1,5)]十一碳烷-3-酮类化合物的合成

• Synthesis of 2,8,9-trioxa-5-aza-1-titan- tricyclo|3.3.3.0~(1,5)|und can-3-one