799774-35-9Relevant academic research and scientific papers
Functionalized chiral vinyl aminosulfoxonium salts: Asymmetric synthesis and application to the synthesis of enantiopure unsaturated prolines, β,γ-dehydro amino acids, and cyclopentanoid keto aminosulfoxonium ylides
Tiwari, Shashi Kant,Gais, Hans-Joachim,Lindenmaier, Andreas,Babu, Gadamsetti Surendra,Raabe, Gerhard,Reddy, Leleti Rajender,Koehler, Franz,Guenter, Markus,Koep, Stefan,Iska, Vijaya Bhaskara Reddy
, p. 7360 - 7373 (2007/10/03)
Methylation of the enantiopure functionalized vinyl sulfoximines 5a-e and 14a-d followed by a F- ion or DBU-mediated isomerization of the vinyl aminosulfoxonium salts 7a-e and 15a-d, respectively, gave the allyl aminosulfoxonium salts 10a-e and 17a-d, res
Asymmetric synthesis of 3-substituted unsaturated prolines from chiral sulfoximine substituted allyl titanium(IV) complexes
Tiwari, Shashi Kant,Schneider, Andreas,Koep, Stefan,Gais, Hans-Joachim
, p. 8343 - 8346 (2007/10/03)
An asymmetric synthesis of the 3-substituted Δ3,4- unsaturated prolines 7a-e and 3-substituted 4-methylene prolines 14a-c starting from the corresponding. γ,δ-unsaturated α-amino acids 4a-e and 11a-c, respectively, is described. Amino acid deri
