Zobrazeno 1 - 10
of 23
pro vyhledávání: '"B. A. Bhanu Prasad"'
Publikováno v:
ARKIVOC, Vol 2003, Iss 3, Pp 16-24 (2003)
Externí odkaz:
https://doaj.org/article/8dba16f2222f49d5ae4f209f011c50e3
Publikováno v:
Organic Letters. 12:5422-5425
Pd-NHC catalyzed cyclopentannulation of diazabicyclic alkenes with ortho- functionalized aryl halides is described. In all the reactions, a single diastereomer of the cyclopentannulated product is observed, and this reaction is very efficient under m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::776a81802b082228151e534e0669504f
https://doi.org/10.1021/ol102270r
https://doi.org/10.1021/ol102270r
Publikováno v:
The Journal of Organic Chemistry. 72:2133-2142
Reaction of N-tosylaziridines with nitriles and carbonyls to produce imidazolines and oxazolidines has been studied in the presence of a variety of Lewis acids. The reaction is efficient with 1 equiv of BF3·Et2O or Et3OBF4 in CH2Cl2. However, it is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81d5aa6c3c3ef67eb4e9f705d7934b38
https://doi.org/10.1021/jo062564c
https://doi.org/10.1021/jo062564c
Publikováno v:
ARKIVOC, Vol 2007, Iss 5, Pp 20-37 (2006)
The ring-opening of N-tosylaziridines with aliphatic amines can be efficiently catalyzed by lithium perchlorate to provide derivatives of the trans-1,2-diamine in high yields. The reaction was used in desymmetrization of several cyclic N-tosylaziridi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbcc616d5c51c4dc83c8a93fe657762f
https://doi.org/10.3998/ark.5550190.0008.503
https://doi.org/10.3998/ark.5550190.0008.503
Publikováno v:
Tetrahedron Letters. 46:7935-7939
The ring opening of N-tosylaziridines with aliphatic amines can be efficiently catalyzed by lithium perchlorate to provide derivatives of the trans-1,2-diamine in high yields. The reaction was used in desymmetrization of several cyclic N-tosylaziridi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8559add5ee2117d2dd179a18a5a9f23f
https://doi.org/10.1016/j.tetlet.2005.09.089
https://doi.org/10.1016/j.tetlet.2005.09.089
Publikováno v:
Tetrahedron Letters. 45:1137-1141
An efficient synthesis of 2,4-disubstituted 1H-imidazolines from aziridines and nitriles in the presence of BF3–Et2O or triethyloxonium tetrafluoroborate has been described. The reaction proceeds via a [3+2]-cycloaddition reaction. Most of the nitr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e88ef7c14eb40a8f7e3902f826bce4a
https://doi.org/10.1016/j.tetlet.2003.12.015
https://doi.org/10.1016/j.tetlet.2003.12.015
Publikováno v:
ARKIVOC, Vol 2003, Iss 3, Pp 16-24 (2003)
In this article, a model synthetic approach towards the furanacetal component of azadirachtin has been described from α-D-glucose. Tandem radical cyclization was the key step for the formation of the desired tricyclic system. The reaction provided a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c6d7453ed2e09111fedeccb31c4b5c8
https://doi.org/10.3998/ark.5550190.0004.303
https://doi.org/10.3998/ark.5550190.0004.303
Publikováno v:
Tetrahedron. 58:7355-7363
Ring cleavage of a variety of N-substituted aziridines has been studied with hydroxyl compounds (primary, secondary, allylic and tertiary). It was observed that the cleavage reaction was very facile in the presence of BF3·OEt2 and Sn(OTf)2. Whereas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::002f0eed1d7bdf6f33d5bdec5e7ebfa6
https://doi.org/10.1016/s0040-4020(02)00609-9
https://doi.org/10.1016/s0040-4020(02)00609-9
Publikováno v:
Tetrahedron Letters. 45:9565-9567
The addition of TMSCN to a variety of arylaldimines (Strecker reaction) in the presence of LiClO 4 or BF 3 ·Et 2 O in acetonitrile has been studied. The reaction provided the addition products in very high yields. The method has been successfully ut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::844a28e3a88b9a676e3d9ae3c006c647
https://doi.org/10.1016/j.tetlet.2004.11.015
https://doi.org/10.1016/j.tetlet.2004.11.015
Publikováno v:
e-EROS Encyclopedia of Reagents for Organic Synthesis
[14011-60-0] C11H16N2O4 (MW 240.26) InChI = 1S/C11H16N2O4/c1-3-16-10(14)12-8-5-6-9(7-8)13(12)11(15)17-4-2/h5-6,8-9H,3-4,7H2,1-2H3 InChIKey = XMAKWQGDHULQOS-UHFFFAOYSA-N (building block for numerous stereoselective transformations) Alternate Names: 2,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ea432746f8ba7ffc9b956d3d51cafee
https://doi.org/10.1002/047084289x.rn01437
https://doi.org/10.1002/047084289x.rn01437
