nitrogen atom sitting above the plane of the four ring carbons; however, in the .... pounds appears to bear many features in common with the observations of ...

Benito Alcaide, Pedro Almendros, Cristina Aragoncillo, and Nati R. Salgado. The Journal of Organic Chemistry 1999 64 (26), 9596-9604. Abstract | Full Text ...

Jan 9, 1995 - Department of Chemistry, Valparaiso University, Valparaiso, Indiana 46383 ... This is attributed to a large steric strain present in six-membered ...

Jun 28, 2011 - Vol. 13, No. 15. 3996–3999. N-Alkynyl Imides (Ynimides): Synthesis and Use as a Variant of ... variant of the highly labile ethynamine. 4-Amino-1,2 ... the unsubstituted nitrogen atom are the most reactive of this series; for ...

Jul 9, 1993 - Department of Chemistry, McGill University, Montreal,. Quebec ... resins in composites used in the aerospace, transportation, and electrical and ...

Asymmetric Synthesis of Spiropyrazolones through Phosphine-Catalyzed [4+1] Annulation. Xiaoyu Han , Weijun Yao , Tianli Wang , Yong Ren Tan , Ziyu Yan ...

propanoic acid, 76497-39-7; (27?, 3 7?)-tran.s-2,3-epoxy-l-butanol, 58845-. 50-4; [1 23H]methyllithium, 94751-52-7; [3-3H]-3-methyl-l,2-butanediol,. 94751-53-8 ...

The first synthesis of an anti-Bredt bicyclic hydantoin containing an imide bridghead nitrogen was accomplished. In this procedure 3-bromo-ecaprolactam (14) ...

Jan 11, 1990 - the 3-carboxamide 20, which underwent a Hofmann rearrangement in ... The rearrangement of 20 was accompanied by intramolecular attack of ...

Aug 21, 1975 - 340.146);UV(Et20) 354(t51 000),416nm(19 700);IR(KBr)2125 w (C=C), 1665 s (C=O), 1600 m (C=C), 995 w and 962 cm-l w. (trans HC=CH); 'H ...