Helvetica chimica acta
C2??Symmetric 4, 4′, 5, 5′??Tetrahydrobi (oxazoles) and 4, 4′, 5, 5′??Tetrahydro??2, 2′??methylenebis [oxazoles] as Chiral Ligands for Enantioselective Catalysis …
D Müller, G Umbricht, B Weber…
Index: Helvetica Chimica Acta, , vol. 74, # 1 p. 232 - 240
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Citation Number: 509
Abstract
... Page 9. 240 HELVETICA CHIMICA ACTA - Vol. 74 (1991) 5c. Mp 190". [a]: = -164.4(c = 0.99, CHCI,). IR (CHCI,): 1621s, 1480m, 1368m, 1%0m, 1235w, 1190w, 1135s, 1100m, 1062w, 1020m,950s,875w. 'H-NMR(CDCI,,~OOMHZ)~):~ dd,J=8.8,10.4),4.33 (t,J=8.8), 15. ...
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