19614-12-1Relevant articles and documents
Halogenolysis of Benzylcobaloximes
Gupta, B. D.,Kumar, Manoj
, p. 701 - 704 (1987)
The reaction of substituted benzylcobaloximes p-RC6H4Co(dmgH)2-Py (R=OMe, NHCOCH3 and NMe2) and m-RC6H4CH2Co(dmgH)2Py (R=Me, OMe) with halogens (Cl2 and Br2) in chloroform under nitrogen forms ring substituted organic and organometallic products.
Discovery of orally active nonpeptide vitronectin receptor antagonists based on a 2-benzazepine Gly-Asp mimetic [2]
Miller, William H.,Alberts, Doreen P.,Bhatnagar, Pradip K.,Bondinell, William E.,Callahan, James F.,Calvo, Raul R.,Cousins, Russell D.,Erhard, Karl F.,Heerding, Dirk A.,Keenan, Richard M.,Kwon, Chet,Manley, Peter J.,Newlander, Kenneth A.,Ross, Stephen T.,Samanen, James M.,Uzinskas, Irene N.,Venslavsky, Joseph W.,Yuan, Catherine C. -K,Haltiwanger, R. Curtis,Gowen, Maxine,Hwang, Shing-Mei,James, Ian E.,Lark, Michael W.,Rieman, David J.,Stroup, George B.,Azzarano, Leonard M.,Salyers, Kevin L.,Smith, Brian R.,Ward, Keith W.,Johanson, Kyung O.,Huffman, William F.
, p. 22 - 26 (2000)
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Stereoselective Convergent Synthesis of Tetrahydro-5 H-benzo[c]fluorene via Nine-Membered Ring-Closing Metathesis and Transannular Acid-Mediated Cyclization/Nucleophilic Addition
Lekky, Anek,Ruengsatra, Tanachote,Ruchirawat, Somsak,Ploypradith, Poonsakdi
, p. 5277 - 5291 (2019/05/10)
The diene methyl ethers or acetates, constructed from the Li-Br exchange/addition reactions of 2-vinylbenzaldehydes and 2-(but-3-en-1-yl)bromoarenes followed by etherification or acetylation of the corresponding alcohols, smoothly underwent the ring-closi
CATALYSTS
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, (2016/01/09)
A catalyst comprising (i) an asymmetric complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′2C—, —R′2C—CR′2—, —R′2Si—, —R′2Si—SiR′2—, —R′2Ge—, wherein each R′ is independently a hydrogen atom, C1-C20-alkyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl; R2 and R2′ are each independently linear C1-10 hydrocarbyl; R5 and R5′ are each independently hydrogen or a C1-20 hydrocarbyl group; R6 and R6′ are each independently hydrogen or a C1-20 hydrocarbyl group; R7 is hydrogen or a C1-20 hydrocarbyl group or is ZR3; Z is O or S, preferably O; R3 is a C1-10 hydrocarbyl group; Ar is an aryl or heteroaryl group having up to 20 carbon atoms optionally substituted by one or more groups R8; Ar′ is an aryl or heteroaryl group having up to 20 carbon atoms optionally substituted by one or more groups R8′; and R8 and R8′ are each independently is a C1-20 hydrocarbyl group; with the proviso that at least one of R6 or R7 is not H; and (ii) a cocatalyst comprising a compound of a group 13 metal, e.g. boron.