Kim, Sang Hee Kim, Hyung Gyu Choo, Hyunah Cha, Joo Hwan Pae, Ae Nim Koh, Hun Yeong Chung, Bong Young Cho, Yong Seo 2024-01-21T02:31:24Z 2024-01-21T02:31:24Z 2021-09-01 2006-09-04 0040-4039 https://pubs.kist.re.kr/handle/201004/135134 N-Acyliminium ion cyclizations were studied with allenylmethylsilanes to synthesize nitrogen heterocycles. N-Acyliminium ion cyclizations were carried out by exposure of precursors 6 and 7 to Lewis acid. The precursors 6 were converted to pyrrolizidinone derivatives 9 with an exo-allene moiety, while the precursors 7 to indolizidinone derivatives 10 with an exo-1,3-diene moiety. (c) 2006 Elsevier Ltd. All rights reserved. English PERGAMON-ELSEVIER SCIENCE LTD CHEMISTRY N-Acyliminium ion cyclizations of trimethylsilylmethylallenes Article 10.1016/j.tetlet.2006.07.013 1 TETRAHEDRON LETTERS, v.47, no.36, pp.6353 - 6356 TETRAHEDRON LETTERS 47 36 6353 6356 scie scopus 000240090200005 2-s2.0-33746583095 Chemistry, Organic Chemistry Article CHEMISTRY acyliminium ion