Tetrahedron

Ring transformations of 2, 3-dihydroisoxazoles via azomethine ylides—formation of annulated 5-and 7-membered N-heterocycles

W Friebolin, W Eberbach

Index: Liguori, A.; Ottana, R.; Romeo, G.; Sindona, G.; Uccella, N. Tetrahedron, 1988 , vol. 44, # 4 p. 1247 - 1254

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Citation Number: 24

Abstract

... i: R–CC–CHO, CH 2 Cl 2 or Et 2 O, rt ii: CH 2 CH–CH 2 –MgBr, THF/Et 2 O, 0°C. iii: CH 3 SO 2 Cl ... for C 17 H 29 NO 2 : C 73.07, H 10.46, N 5.01; found C 73.11, H 10.46, N 5.02 ... The reaction of 8a 4b (0.946 g, 3.89 mmol) yielded 738 mg (66%) of 11a/11′a as colorless crystals ...