Spiroheterocyclic Systems: Part I: Synthesis of Some New Spiroheterocycles Related to 1-Oxa-4-thiaspiro [4, 4] nonan-2-one and/or [4, 5] Decan-2-one

MF El-Zohry, I Awad, AA Abdel-Hafez

文献索引：El-Zohry, Maher F.; Awad, Ibrahim M. A.; Abdel-Hafez, Ali A. Collection of Czechoslovak Chemical Communications, 1993 , vol. 58, # 4 p. 954 - 958

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摘要

New Compounds 955 re was cooled, concentrated by distillation under reduced pressure and the product was collected by filtra- tion and crystallized from a proper solvent (Table I). Ml NMR ((CD3),SO): 1.8 m. 4 II; 2.2 m. 4 II; 3.7 s, 2 II; 4.0 s. 2 II: 7.(1 - 7.5 m. 5 II arom. for compound Ilia and 1.6 - 1.9 m, 6 II: 2.0 - 2.4 m, 4 II; 3.7 s, 2 II; 7.0 - 7.60 m. 5 II arom. for compound ¡Va. IK spectrum (KHr): 710 (CS); 1 685 (C=0): 2 920 (CH aliph.); 3 050 (CH arom.) for Ilia and 675 (CS); 1 ...