181041-86-1Relevant academic research and scientific papers
Copper-boryl mediated transfer hydrogenation of N-sulfonyl imines using methanol as the hydrogen donor
He, Yi,Li, Shi-Guang,Mbaezue, Ifenna I.,Reddy, Angula C.S.,Tsantrizos, Youla S.
supporting information, (2021/03/24)
B2Pin2-assisted copper-catalyzed transfer hydrogenation of aromatic sulfonylimines has been achieved, delivering a variety of aryl/heteroaryl sulfonamides in good to excellent yields under mild reaction conditions and with methanol a
Synthesis and biological evaluation of substituted phenyl azetidine-2-one sulphonyl derivatives as potential antimicrobial and antiviral agents
Mandal, Milan Kumar,Ghosh, Swagatika,Bhat, Hans Raj,Naesens, Lieve,Singh, Udaya Pratap
, (2020/10/12)
In the present study, we intend to synthesize a series of novel substituted phenyl azetidine-2-one sulphonyl derivatives. The entire set of derivatives 5 (a-t) were screened for in-vitro antibacterial, and antifungal activity, and among them eleven compou
Diastereoselective Johnson-Corey-Chaykovsky trifluoroethylidenation
Duan, Yaya,Zhou, Bin,Lin, Jin-Hong,Xiao, Ji-Chang
supporting information, p. 13127 - 13130 (2015/08/18)
(2,2,2-Trifluoroethyl)diphenylsulfonium triflate was found to be an efficient ylide reagent for the Johnson-Corey-Chaykovsky reaction to afford trifluoromethyl epoxides, cyclopropanes and aziridines. Interestingly, excellent but different diastereoselectivity was observed for these transformations. Both trifluoromethyl epoxides and cyclopropanes were obtained with trans-selectivity, whereas aziridines were obtained with cis-selectivity.
Synthesis of cis-C-iodo-N-tosyl-aziridines using diiodomethyllithium: Reaction optimization, product scope and stability, and a protocol for selection of stationary phase for chromatography
Boultwood, Tom,Affron, Dominic P.,Trowbridge, Aaron D.,Bull, James A.
, p. 6632 - 6647 (2013/07/26)
The preparation of C-iodo-N-Ts-aziridines with excellent cis-diastereoselectivity has been achieved in high yields by the addition of diiodomethyllithium to N-tosylimines and N-tosylimine-HSO2Tol adducts. This addition-cyclization protocol succ
Asymmetric cyanation of a-ketiminophosphonates catalyzed by cinchona alkaloids: Enantioselective synthesis of tetrasubstituted a-aminophosphonic acid derivatives from trisubstituted a-aminophosphonates
Vicario, Javier,Ezpeleta, Jose Mari,Palacios, Francisco
supporting information, p. 2641 - 2647 (2013/01/15)
An enantioselective synthesis of tetrasubstituted a-phosphono-a-amino nitriles through asymmetric cyanation of a-ketiminophosphonates catalyzed by Cinchona alkaloids is reported. a-Ket- ACHTUNGTRENUNGiminophosphonates are generated, in a very efficient sy
A facile synthesis of N-sulfonyl and N-sulfinyl aldimines under Barbier-type conditions
Fan, Renhua,Pu, Dongming,Wen, Fengqi,Ye, Yang,Wang, Xiaoli
, p. 3623 - 3625 (2008/09/20)
(Chemical Equation Presented) A convenient synthesis of N-sulfonyl- and N-sulfinylimines by the condensation of aldehydes with sulfonyl or sulfinyl amides in the presence of benzyl bromide and zinc dust at room temperature under the Barbier-type condition
Small-molecule inhibitors of protein geranylgeranyltransferase type I
Castellano, Sabrina,Fiji, Hannah D. G.,Kinderman, Sape S.,Watanabe, Masaru,De Leon, Pablo,Tamanoi, Fuyuhiko,Kwon, Ohyun
, p. 5843 - 5845 (2008/03/14)
Small molecules that inhibit the geranylgeranylation of K-Ras4B and RhoA by protein geranylgeranyltransferase type I (GGTase-I) were identified from chemical genetic screens of heterocycles synthesized through phosphine catalysis of allenes. To further improve the efficacy of the GGTase-I inhibitors (GGTIs), 4288 related compounds bearing core dihydropyrrole/pyrrolidine and tetrahydropyridine/piperidine scaffolds were synthesized on SynPhase lanterns in a split-pool manner through phosphine-catalyzed [3 + 2] and [4 + 2] annulations of resin-bound allenoates. Testing of the 4288 analogues resulted in several GGTIs exhibiting submicromolar IC50 values. Because proteins such as Ras and Rho GTPases are implicated in oncogenesis and metastasis, these GGTIs might ultimately lead to the development of novel antitumor therapeutics. Copyright
Highly diastereoselective and enantioselective direct organocatalytic anti-selective Mannich reactions employing N-tosylimines
Cheng, Lili,Han, Xiao,Huang, Huiming,Wong, Ming Wah,Lu, Yixin
, p. 4143 - 4145 (2008/03/18)
Organocatalytic direct anti-selective Mannich reactions of O-TBS-hydroxyacetone with various N-tosylimines derived from aromatic aldehydes in the presence of L-threonine-derived catalyst afforded 1,2-amino alcohols in good yields and with enantioselectivi
Regioselective addition of pyrrole to N-tosyl imines in the presence of Cu(OTf)2
Temelli, Baris,Unaleroglu, Canan
, p. 7941 - 7943 (2007/10/03)
The Cu(OTf)2 catalysed reaction of pyrrole with N-tosyl imines gives pyrrole sulfonamides in high yields. The addition reaction takes place regioselectively at C(2) of the pyrrole. The procedure is simple and does not require anhydrous conditio
