Innensphären-MechanismusPalladiumA recently reported palladium‐catalyzed allylic substitution of vinyl‐substituted cyclic carbonates (VCCs) with aryl amines represents a rare example of a regio‐ and enantioselective synthesis of α,α‐disubstituted allylic N ‐aryl amines. However, the underlying ...
摘要: This projects aims to evaluate the numerous data on sedimentology, palaeoenvironment, and fossil associations that accumulated over more than 25 years of scientific excavations at Lake Enspel, a La…" [more]年份: 2011 收藏 引用 批量引用 报错 分享 全部来源 免费下载 求助全文 ResearchGate ...
MassenspektroskopieReaktionskinetikThe formation of C3H4 (Propyne and Allene), C4H2 (Butadiyne) and also of formaldehyde in the system C2H2/O with and without added H atoms was studied at 298 K and in a pressure range between 1.4 and 8.0 mbar. H atoms have a strongly positive influence ...
Tietze LF,et al.Iridoide-Ⅻ.Bestimmung der relativen Konfiguration und Konformation isomerer Irtdoidglycosido mit hilfe tier 1H-, 13 C-NM R und Massenspektroskopie. Tetrahedron . 1980L. F. Tietze, U. Niemeyer, P. Marx, and K. H. Gluesenkamp, Tetrahedron , 36 , 1231 (1980)....
Innensphären-MechanismusPalladiumA recently reported palladiumヽatalyzed allylic substitution of vinyl﹕ubstituted cyclic carbonates (VCCs) with aryl amines represents a rare example of a regioand enantioselective synthesis of alfa,alfaヾisubstituted allylic N゛ryl amines. However, the underlying ...