Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Nayyar Ahmad Aslam"'
Autor:
Makoto Yasuda, Nayyar Ahmad Aslam, Arya Jayadev Sudha, Srinivasarao Arulananda Babu, Akshey Sandhu, Akio Baba
Publikováno v:
Tetrahedron. 76:131217
We report the synthesis of β-cyanoalanine derivatives and enantiomerically enriched aspartates. The zinc-mediated addition of α-bromoacetonitrile to α-imino esters afforded various β-cyanoalanine derivatives 3a-l and 5a-d in satisfactory to good
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acc3cf1314c97c16a4ac87216129b3c2
https://doi.org/10.1016/j.tet.2020.131217
https://doi.org/10.1016/j.tet.2020.131217
Autor:
Dharmendra Kumar Singh, Srinivasarao Arulananda Babu, Naveen, Nayyar Ahmad Aslam, Ameet Rana, Akshey Sandhu
Publikováno v:
Tetrahedron. 71:7026-7045
Investigations on the one-pot direct azidation of allylic/benzylic alcohols or their methyl ethers followed by the click reaction are reported. Two methods involving sequential reactions were developed for synthesizing substituted 1,2,3-triazoles sta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c2e08c58c2eb82b6eb7ff11b69388ea
https://doi.org/10.1016/j.tet.2015.06.099
https://doi.org/10.1016/j.tet.2015.06.099
Autor:
Makoto Yasuda, Soniya Rani, Srinivasarao Arulananda Babu, Nayyar Ahmad Aslam, Akio Baba, Jagmohan Solanki, Shivam Mahajan
Publikováno v:
European Journal of Organic Chemistry. 2015:4168-4189
The diastereoselective construction of 3-allyl-3-aminooxindoles that have two adjacent stereocenters has been achieved by the In-promoted Barbier-type addition of γ-substituted allylic halides to the C=N bond of isatin ketimines. The reactions of ci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09d38d6eb445829404f3ec97e194ade8
https://doi.org/10.1002/ejoc.201500340
https://doi.org/10.1002/ejoc.201500340
Publikováno v:
Tetrahedron. 70:6402-6419
Triflic acid-mediated stereoselective direct lactonization of a variety of α-amino γ,δ-unsaturated carboxylic acid esters and the construction of new γ-butyrolactone structural motifs are reported. Several α-amino γ,δ-unsaturated carboxylic ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::026cc62bf70dd0b4dc76b241412ad681
https://doi.org/10.1016/j.tet.2014.07.039
https://doi.org/10.1016/j.tet.2014.07.039
Publikováno v:
Synlett. 25:2201-2207
A competent one-pot method comprising magnetically separable nano Fe3O4 catalyzed direct azidation of allylic and benzylic alcohols followed by the copper-catalyzed click reaction of the corresponding azides with alkynes is reported. This method gave
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41ccbad03e6d952becf6663c1cf687f3
https://doi.org/10.1055/s-0034-1378517
https://doi.org/10.1055/s-0034-1378517
Publikováno v:
RSC Adv.. 4:40199-40213
The use of a catalytic amount of InCl3 in combination with Al0 for the allylation of a variety of prostereogenic α,α-disubstituted (hindered) cycloalkanones, 1,2-dione-based systems and various imino systems (CN functional groups) is reported. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c625bb8254a9c4cc603a4c48aefafc59
https://doi.org/10.1039/c4ra04293j
https://doi.org/10.1039/c4ra04293j
Autor:
Srinivasarao Arulananda Babu, Naveen, Gurpreet Kaur, Nayyar Ahmad Aslam, Maheswararao Karanam
Publikováno v:
RSC Adv.. 4:18904-18916
Glaser–Eglinton–Hay-type sp–sp coupling, macrocyclization and the construction of skeletally interesting, 18–27 membered, polyether macrocycles having a 1,3-diyne unit-based cylindrical backbone are reported. The utility of polyether macrocyc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f746677ac28734ec59702b48a0dfa69a
https://doi.org/10.1039/c4ra02174f
https://doi.org/10.1039/c4ra02174f
Autor:
Nayyar Ahmad Aslam, Srinivasarao Arulananda Babu, Arya Jayadev Sudha, Akio Baba, Makoto Yasuda
Publikováno v:
Tetrahedron. 69:6598-6611
An entry into the stereoselective synthesis of several N-substituted-β-vinyl aspartate and β-alkyl aspartate derivatives having two contiguous stereocenters via the indium-mediated Barbier-type addition of alkyl 4-bromocrotonates or α-halo esters
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf0993bba80f9901dd31321890d65296
https://doi.org/10.1016/j.tet.2013.05.130
https://doi.org/10.1016/j.tet.2013.05.130
Publikováno v:
European Journal of Organic Chemistry. 2013:2362-2380
A highly stereoselective protocol is reported for customizing functionalized carbocyclic building blocks (β-hydroxy esters) and bicyclic lactones with a stereoarray that contains contiguous tertiary carbinol and all-carbon stereocenters. The efficie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fd2345a75b5934a336335449359df24
https://doi.org/10.1002/ejoc.201201382
https://doi.org/10.1002/ejoc.201201382
Autor:
Ameet Rana, Naveen Srinivasarao Arulananda Babu, Akshey Sandhu, Dharmendra Singh, Nayyar Ahmad Aslam
Publikováno v:
ChemInform. 47
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2deeaf6f2574c415380ffc05fbe22481
https://doi.org/10.1002/chin.201601138
https://doi.org/10.1002/chin.201601138