Reference

Syntheses of 1-oxaquinolizidines via reductive cyclization of hydroxy lactams

Syntheses of 1-oxaquinolizidines via reductive cyclization of hydroxy lactams. Ahn, Kyo Han; Lee, Seok Jong (Dep. Chem., Pohang Inst. Sci. Technol., Pohang 790-600, S. Korea). Tetrahedron Lett. 617-55-0 and 139984-76-2 are cas registry numbers of chemicals which are used as reagents here., 33(4), 507-10 (English) 1992. CODEN: TELEAY. ISSN: 0040-4039. DOCUMENT TYPE: Journal CA Section: 26 (Biomolecules and Their Synthetic Analogs) The synthesis of the 1-oxaquinolizidine moiety I of xestospongin A was achieved via reductive iminium ion formation from the lactam II. .

Pheromone synthesis

Pheromone synthesis. 617-55-0 which is the cas registry number of one of substances is just one of reagents here. 65. Synthesis of all of the four energetically possible stereoisomers of 7-ethyl-2-methyl-1,6-dioxaspiro[4.5]decane. A pheromone produced by bees Paravespura vulgaris L. and Andrena haemorrhoa F. Mori, Kenji; Ikunaka, Masaya (Dep. Agric. Chem., Univ. Tokyo, Tokyo 113, Japan). 617-55-0 is also in the experiment. Tetrahedron, 40(18), 3471-9 (English) 1984. CODEN: TETRAB. ISSN: 0040-4020. DOCUMENT TYPE: Journal CA Section: 26 (Biomolecules and Their Synthetic Analogs) All 4 energetically possible stereoisomers [(2R,5R,7R)-, (2R,5S,7S)-, (2S,5R,7R)- and (2S,5S,7S)] of 7-ethyl-2-methyl-1,6-dioxaspiro[4.5]decane were synthesized from Et (S)-lactate and di-Me (S)-malate or Me (R)-b-hydroxyvalerate employing dianion alkylation as the key-step. ..