znoEont 2 RoAoR + R d h '

Jul 29, 1975 - (5) J. Hooz and S. Linke, J. Am. Chem. SOC., 90,6891 (1968). We have no ready explanation for the role which water plays in this reaction, since the reaction proceeds well under. anhydrous condition on substrates used by Hooz. The pres

Jul 29, 1975 - (3) Recently the synthesis of 7-~-phenoxyacetylpenicilianic acid was re- ported, which showed some antibiotic activity: J. C. Sheehan and Y. s.

TwissZ3 again calls attention to the need of ... well as dithiocarbamates, derived from secondary amines, are found by ... readers will meet him frequently in other ...

rni:ersztj o j lppsnln, S-751 23 1 ppsala, SLeden .InsrR\cT.-From the chloroform fraction of the stem bark of SirjchnoS decitssizla. (Pappe) Gilg (Loganiaceae I, ...

(3:l:l), 25 OC, 3 h, 80%; (f) 1.4 equiv of 15, 1.0 equiv of EDCI, 1.0 equiv of HOBt.H20, DMF, 25 OC, 16 h, 69%; (9) 2.0 equiv of NaH,. 10.0 equiv of CuBr-SMe2, ...

The shift contrast between the aromatic car- bon signals of the decarbomethoxy 14',15'-dihydro-(19S)- vindolinine part of 2 and those of N',-methyl-(lSR)-vin-.

ether was evaporated, and the acid residue recrystallized ... Pteroic Acid Analogs Containing Arsenic. BY R. B. ... (arsanilic acid) was readily available it seemed.

Enantiomerically pure (R)-(+)-2-phenylethanol-2-d and -1,1,2-d3, and (S)-(+)-1-phenylethane-1-d, -1,2,-d2, -1,2,2-d3, and -1,2,2,2-d4. Ronald L. Elsenbaumer ...

AND HYDRAZONES. Triphenylphosphazine, Phs-N-N=CRR' . ---Hydrazone,. HsN-N=CRR'-. =CRR' hsx, mM (emax X 10-9. Amax, m r (tmax X IO-'). Benzylidene.

John Wiley & Sons, New. York. 1977. ix t 456 pp. Figs. and tables. 15.5 X 23.5 cm. $27.50. applications," it encompasses such a variety of nmr techniques and ...