Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Hong Jung Lee"'
Autor:
Hong‐jung, Lee
Publikováno v:
International Review of Mission. Nov2016, Vol. 105 Issue 2, p321-335. 15p.
Autor:
Hong-Jung, Lee
Publikováno v:
International Review of Mission. Oct2002, Vol. 91 Issue 363, p577. 6p.
Publikováno v:
Tetrahedron Letters. 43:9141-9146
Enantiomerically enriched Baylis–Hillman alcohols 2a – d ( S ) were prepared in 25–42% yields with optical purities of 54–92% ee by using the combined concept of kinetic resolution during the salt formation of racemic Baylis–Hillman acetate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30b70835fc015d4e35ea229d8d89cb53
https://doi.org/10.1016/s0040-4039(02)02274-8
https://doi.org/10.1016/s0040-4039(02)02274-8
Publikováno v:
Tetrahedron Letters. 42:3737-3740
3-Quinolinecarboxylic acid ethyl esters 4 were prepared from 1 , the Baylis–Hillman adducts of o -halobenzaldehyde N -tosylimines, in a one-pot reaction.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5964b6fa3da5055f5f5b50cb00464eb8
https://doi.org/10.1016/s0040-4039(01)00552-4
https://doi.org/10.1016/s0040-4039(01)00552-4
Publikováno v:
Tetrahedron Letters. 41:2613-2616
The reaction of the Baylis–Hillman adducts 1a – g and trifluoroacetic acid at 30–70°C gave the rearranged cinnamyl alcohols 2a – g stereoselectively in moderate yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1350adc2288dbe8e50a0530905c9426
https://doi.org/10.1016/s0040-4039(00)00229-x
https://doi.org/10.1016/s0040-4039(00)00229-x
Publikováno v:
Synthetic Communications. 30:1057-1066
The reaction of ninhydrin with 1,2,3- and 1,2,4-trimethylbenzene in the presence of H2SO4 or AlCl3 afforded 2-monoaryl and 2,2-diaryl-1,3-indanedione derivatives as the major products. With 1,3,5-trimethylbenzene as the arene nucleophile, either a re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13b0f1a564578badf8e269658ba7970a
https://doi.org/10.1080/00397910008087123
https://doi.org/10.1080/00397910008087123
Publikováno v:
Synthetic Communications. 29:4375-4379
Methyl acetopyruvate undergoes self condensation reaction in the presence of 1,4-diazabicyclo[2.2.2]octane (DABCO) to give tetrahydrofuran-2,3-dione derivative. This compound exist as its enol form complexed with DABCO.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96ee833d303fca8346b3ae81edf27f96
https://doi.org/10.1080/00397919908086600
https://doi.org/10.1080/00397919908086600
Publikováno v:
Synthetic Communications. 29:3303-3311
Friedel-Crafts type reactions of phenol derivatives with some cyclic ketones such as ninhydrin (1), alloxan (2), isatin (3), and parabanic acid (4) were examined. 2-Monoaryl- and 2,2-diaryl-1,3-indanedione derivatives were obtained depending on the a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7415da7c2cfafae14fe99fe6d44a6737
https://doi.org/10.1080/00397919908085958
https://doi.org/10.1080/00397919908085958
Publikováno v:
Synthetic Communications. 29:2759-2767
During alkylation of 2-(2-hydroxyaryl)-2-hydroxy-1,3-indanedione derivatives, O-alkylated benzo[b]indeno[2,1-d]furanone derivatives were formed in appreciable amounts.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::973575f678c54e51d1976205b83a37a7
https://doi.org/10.1080/00397919908086442
https://doi.org/10.1080/00397919908086442
Publikováno v:
Tetrahedron Letters. 39:6219-6222
The reaction of various N-tosylated α-amino acids with arenes in the presence of sulfuric acid afforded the corresponding diarylated derivatives in moderate yields, which were generated via decarbonylative arylation followed by Friedel-Crafts reacti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61f9f18f8e95c59d2a3622697ec34815
https://doi.org/10.1016/s0040-4039(98)01279-9
https://doi.org/10.1016/s0040-4039(98)01279-9