2024-03-28T15:26:42Z
https://niigata-u.repo.nii.ac.jp/oai
oai:niigata-u.repo.nii.ac.jp:00002608
2022-12-15T03:35:47Z
176:488:489
453:454
Asymmetric α-2-tosylvinylation of in situ-generated N-2-tosylvinyl proline-derived ammonium ylides
Igarashi, Tomohito
Tayama, Eiji
Iwamoto, Hajime
Hasegawa, Eietsu
Ylide
Zwitterion
Amino acid
Asymmetric synthesis
Asymmetric -2-tosylvinylation of N-substituted proline esters using ethynyl tolyl sulfone as an electrophile was shown to proceed in good yield with high enantioselectivities without the addition of any bases. The reaction proceeds via the formation of N-2-tosylvinyl ammonium ylides.
Elsevier
2011-04
eng
journal article
http://hdl.handle.net/10191/27229
https://niigata-u.repo.nii.ac.jp/records/2608
info:doi/10.1016/j.tetlet.2011.02.040
AA00861801
00404039
Tetrahedron letters
Tetrahedron letters
52
15
1819
1821
https://niigata-u.repo.nii.ac.jp/record/2608/files/1517A.pdf
application/pdf
177.6 kB
2019-07-29