Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Shiwani Berry"'
Autor:
Aman Bhalla, Shamsher Singh Bari, Shiwani Berry, Jitender Bhalla, Sunil Vats, Sanjay Mandal, Sadhika Khullar
Publikováno v:
ARKIVOC, Vol 2015, Iss 7, Pp 10-27 (2015)
Externí odkaz:
https://doaj.org/article/31076876669f444284da596fac4829a1
Autor:
Sanjay K. Mandal, Aman Bhalla, Ankita Garg, Sadhika Khullar, Pooja Yadav, Shiwani Berry, Shamsher S. Bari
Publikováno v:
Synthetic Communications. 50:2969-2980
An efficient protocol for the stereoselective synthesis of pyrazolo[5,1-b]thiazole-3-carboxylate tethered β-lactam conjugates 8a–j from novel pyrazolo [5,1-b]thiazole-3-carboxylate substituted Schiff’s bases 6a–f is reported here. The reaction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8be7d991707e50e4856eb2b3f2efb056
https://doi.org/10.1080/00397911.2020.1788599
https://doi.org/10.1080/00397911.2020.1788599
Autor:
Shiwani Berry, Aman Bhalla, Anu Kumari, Shamsher S. Bari, Sanjay K. Mandal, Sadhika Khullar, Garima Modi
Publikováno v:
Tetrahedron. 74:4400-4408
An inclusive study towards the stereospecific synthesis of novel cis-3-monosubstituted-β-lactams from cis-3-functionalized 3-phenylsulfonyl/sulfinyl-β-lactams is described. 3-Sulfinyl-β-lactams 5/5ʹ successfully furnished stereospecific cis-3-mon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ace64c4255c6eb2d41e1133fdb49ae70
https://doi.org/10.1016/j.tet.2018.07.008
https://doi.org/10.1016/j.tet.2018.07.008
Publikováno v:
Synthetic Communications. 47:2239-2246
Stereoselective synthesis of novel monocyclic trans-3-halogenated-4-pyrazolyl-β-lactams 5 is described. The reaction of ketene derived from α-bromo/chloroethanoic acids 4 using POCl3 and Et3N with ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb999252a91d82e92d9c4bcf88a2ad2b
https://doi.org/10.1080/00397911.2017.1371759
https://doi.org/10.1080/00397911.2017.1371759
Publikováno v:
Tetrahedron Letters. 58:1160-1165
An efficient and operationally simple strategy for the stereoselective synthesis of novel C-3 functionalized 3-sulfonyl-β-lactam heterocycles is described. The C-3 functionalized 3-phenyl/benzylsulfonyl-β-lactams 3/3′, 5/5′ has been synthesized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1412840c78c00f15ba63136ed4217f3b
https://doi.org/10.1016/j.tetlet.2017.02.011
https://doi.org/10.1016/j.tetlet.2017.02.011
Publikováno v:
Tetrahedron: Asymmetry. 28:307-316
The efficient diastereoselective synthesis of 3-acetoxy/methoxy/phthalimido-β-lactams 2/2′ , 3/3′ and 4/4′ respectively was performed using chiral imines 1 obtained from chiral amines. Factors (solvent, temperature, substituent, steric bulk) i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11d122b08b9c8b5b416671ad77466b36
https://doi.org/10.1016/j.tetasy.2016.12.007
https://doi.org/10.1016/j.tetasy.2016.12.007
Publikováno v:
Asian Journal of Organic and Medicinal Chemistry. 2:97-101
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d912eaebaae338aee186406addc8465
https://doi.org/10.14233/ajomc.2017.ajomc-p38
https://doi.org/10.14233/ajomc.2017.ajomc-p38
A simple, facile, and high yielding stereoselective approach for the integration of α-methylene-pyrazole-carboxylates at the β-lactam nucleus is described. These monocyclic β-lactams have been synthesized by treatment of 2-phenoxy/benzylthio/pheny
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1bbfffc73eb8358c02fe4f32f23195e5
Stereoselective synthesis of novel monocyclic trans-3-halogenated-4-pyrazolyl-β-lactams 5 is described. The reaction of ketene derived from α-bromo/chloroethanoic acids 4 using POCl3 and Et3N with pyrazolyl substituted imines 3a–d in refluxing to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dce36184a63c2437ab44e86adec4267b