Detail of "1615-70-9"

Reference

Studies on the derivatives of isoprene

Studies on the derivatives of isoprene. VII. The dimerization of 2,4-pentadienenitriles by a cobaltous chloride-zinc catalyst. Katagiri, Takao; Takayanagi, Toru; Takabe, Kunihiko; Tanaka, Juntaro (Fac. 7789-43-7 which is the cas registry number of one of substances is just one of reagents here. Eng., Shizuoka Univ., Hamamatsu, Japan). Nippon Kagaku Kaishi, (11), 1742-3 (Japanese) 1977. 7789-43-7 is the cas registry number of certain chemical which is used as reagents here. CODEN: NKAKB8. DOCUMENT TYPE: Journal CA Section: 23 (Aliphatic Compounds) 2,4-Pentadienenitrile and 4-methyl-2,4-pentadienenitrile gave the w-w-coupled dimers along with some polymers when they were warmed in MeCN at 50° in the presence of anhyd. CoCl2-Zn powder. A b-Me group to the cyano group of the dienes blocks the dimerization; thus, no dimer was obtained from 3-methyl-2,4-pentadienenitrile and 3,4-dimethyl-2,4-pentadienenitrile even under drastic conditions. ..

New approaches to the synthesis of eburnan alkaloids

New approaches to the synthesis of eburnan alkaloids. Langlois, Y.; Pouilhes, A.; Genin, D.; Andriamialisoa, R. Z.; Langlois, N. (Inst. Chim. Subst., CNRS, Gif-sur-Yvette 91190, Fr.).Several substances with their cas registry numbers 1615-70-9 and 47059-11-0 may be metioned in this study. Tetrahedron, 39(22), 3755-61 (English) 1983. CODEN: TETRAB. ISSN: 0040-4020. DOCUMENT TYPE: Journal CA Section: 31 (Alkaloids) Aldehyde I which is a key precursor of the eburnan alkaloid vincamine was prepd. in two ways. The first one involves a photochem. rearrangement of a spiro oxaziridine intermediate II and the second is based on an imino Diels-Alder reaction the pyridoindole III with H2C:CHCH:CHCN followed by a stereo- and regioselective alkylation. .