Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Dilip G. Kulkarni"'
Publikováno v:
Tetrahedron. 50:1243-1260
A new single-step efficient photocchemical approach for α-arylpropanoic acids ( 4 ) from α chloro-propiophenones ( 5 ) is described. It involves carbonyl triplet excited state directed 1,2-aryl migration of the aryl group which has been found to be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dafb24a6116f796f2f1d1bc59f5de4a
https://doi.org/10.1016/s0040-4020(01)80835-8
https://doi.org/10.1016/s0040-4020(01)80835-8
Publikováno v:
Tetrahedron: Asymmetry. 3:163-192
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b51ba4b3ba350bfac3a3f25a1108ec02
https://doi.org/10.1016/s0957-4166(00)80186-x
https://doi.org/10.1016/s0957-4166(00)80186-x
Publikováno v:
The Journal of Organic Chemistry. 56:1434-1439
Treatment of α-diazo ketones with catalytic amounts of rhodium (II) acetate led to selective carbene insertions into C-H bonds resulting in cyclopentane-annulated products in high yields
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc7e33b1728808865bf95519cd4d99d5
https://doi.org/10.1021/jo00004a019
https://doi.org/10.1021/jo00004a019
Publikováno v:
Tetrahedron Letters. 32:1107-1108
Abundantly available (+)-Δ 3 -Carene, 1 has been transformed into enantiomerically pure key intermediates viz. the enones (−)- 7 and (+)- 7 , thus constituting a formal synthesis of both the enantiomers of Δ 9(12) -Capnellene.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aeebfde41264694c03ce5ea48eb01027
https://doi.org/10.1016/s0040-4039(00)74500-x
https://doi.org/10.1016/s0040-4039(00)74500-x
Publikováno v:
Tetrahedron Letters. 31:7495-7496
A strategy based on photochemical 1,2-aryl migration as the pivotal step allows efficient transformation of 2-chloro-propiophenones into 2-arylpropionic acids. A noticeable substituent-directed excited state control on the rearrangement process has b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5259423e20d5d4e2dba8560f5113972f
https://doi.org/10.1016/s0040-4039(00)88526-3
https://doi.org/10.1016/s0040-4039(00)88526-3
Publikováno v:
Tetrahedron. 44:7319-7324
α -Hydroxydimethylacetals I have been shown to undergo two different rearrangements involving highly selective 1,2-shifts under mild conditions. When treated with Ph3P/CCl4, in the presence of pyridine, I were cleanly transformed via 1,2-aryl shifts
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfc65ae3d8d7ca5db03e613a7ff79519
https://doi.org/10.1016/s0040-4020(01)86104-4
https://doi.org/10.1016/s0040-4020(01)86104-4