QUARTERLY REVIEWS THE CHEMICAL SOCIETY PATRON HER MAJESTY THE QUEEN President E. L. HIRST M.A. D.Sc. LL.D. F.R.S. Vice-presidents who have filled the office of President SIR IAN HEILBRON D.S.O. D.Sc. W. H. MILLS M.A. Sc.D. F.R.S. SIR CYRIL HINSHELWOOD M.A. D.Sc. F.R.S. C. K. INGOLD D.Sc. F.R.I. F.R.S. F.R.I.C. LL.D. F.R.S. SIR ERIC RIDEAL M.B.E. M.A. Sc.D. F.R.S. W. WARDLAW C.B.E. D.Sc. Vice-presidents E. D. HUGHES D.Sc. F.R.I.C. 13. W. MELVILLE D.Sc. F.R.I.C. E.R.H.JoNEs,D.SC.,F.R.I.C.,F.R.S. R. P. LINSTEAD C.R.E. M.A. D.Sc. F.R.S. F.R.S. M. STACEY Ph.D. D.Sc. F.R.S. SIR ALEXANDER TODD M.A. D.Sc. F.R.S. F.R.S. Honorary Treasurer M. W. PERRIN C.B.E. M.A. F.R.I.C. Honorary Secretaries L. E. SUTTON M.A. D.Phil. F.R.S. F. BERGEL D.Phil.Nat,. D.Sc. J. CHATT M.A. Sc.D. F.R.I.C.F.R.I.C. Ordinary members of Council D. W. ADAMSON M.Sc. D.Phil. H. M. N. H. IRVING M.A. D.Phil. C. C. ADDISON D.Sc. Ph.D. F.R.I.C. G. W. KENNER ALSc. P1i.D. G. R. BARKER B.Sc. Ph.D. 33. LYTHGOE M.A. Ph.D. F.R.I.C. R. M. BARRER D.Sc. Sc.D. F.R.S. A- MACCOLL M.Sc-9 Ph-D. V. C. BARRY D.Sc. M.R.I.A. F* B.Sc. Ph*D. J. M. ROBERTSON M.A.,D.Sc. F.R.S. F. BELL D.Sc. F.R.I.C. F.R.S.E. H. N* RYDoN D*Sc' D'Phi"' A. G. EVANS Ph-D.9 D-Sc.9 F.R-1-C. H. D. SPRINGALL M.A. ~ . p h i l . W. GERRARD D.Sc. Ph.D. F.R.I.C. A. HICKLINU D.Sc. Ph.D. F.R.I.C. L. HUNTER Ph.D. D.Sc. F.R.I.C. A.R.I.C. F.R.I.C. F.I.C.I. F.R.I.C. F.R.I.C. F.R.I.C. L. A. I<. STAVELEY M.,4. M7. WILD B.Sc. Ph.D. A.R.I.C. G. T. Young Ph.D. M.A. A.R.I.C. General Secretary J. R. RUCK KEENE M.B.E. T.D. M.A. Librarian Deputy Librarian R..G. GRIFFIN F.L.A. J. BIRD Telephone Numbers Regent 0675-6. Printed in Great Britain by Butler & Tanner Ltd. Frome and London QUARTERLY REVIEWS VOL. X 1956 Publication Committee Chairrnun; C. K. INGOLD D.Sc. F.R.I.C. F.R.S. C. C. ADDISON D.Sc. Ph.D. F.R.I.C. G. BADDELEY Ph.D. D.Sc. F.R.I.C. D. H. R. BARTON D.Sc. F.R.T.C. F. BEROEL D.Phil.Nat. D.Sc. E. BOYLAND D.Sc. Ph.D. J. CHATT M.A. Ph.D. F.R.I.C. P. B. D. DE LA MARE D.Sc. Ph.D. H. J. EMELEUS D.Sc. A.R.C.S. D. H. EVERETT M.B.E. M.A. G. GEE Sc.D. A.R.I.C. F.R.S. B. A. HEMS D.Sc. F.R.I.C. E. L. HIRST MA. D.Sc. LL.D. H. R. ING M.A. D.Phil. F.R.S. H. A t . N. H. IRVING M.A. D.Phil. D. J. G. IVES D.Sc. A.R.C.S. F.R.S. F.R.I.C. F.R.S. D.PhiI. F.R.S.E. F.R.S. F.R.I.C. F.R.I.C. E. R. H. JONES D.Sc. F.R.I.C. G. W. KENNER M.Sc.Ph.D. H. 6. LONGUET-HIGGINS M.A. B. LYTHGOE M.A. Ph.D. F.R.I.C. R. A. MORTON D.Sc. Ph.D. F.R.S. A. NEURERQER Ph.D. M.D. F.R.S. R. G. W. NORRISH Sc.D. F.R.I.C. M. W. PERRIN C.B.E. M.A. V. PETROW Ph.D. D.Sc. F.R.I.C. H. M. POWELL M.A. B.Sc. F.R.S. P. L. ROBINSON D.Sc. F.R.I.C. K. SCHOFIELD Ph.D. D.Sc. F.R.I.C. N. SHEPPARD M.A. Ph.D. M. STACEY Ph.D. D.Sc. F.R.S. L. E. SUTTON M.A. D.Phil. F.R.S. H. W. THOMPSON M.A. D.Sc. F.R.S. E. E. TURNER M.A. D.Sc. F.R.S. A. R. J. P. UBBELOHDE M.A. D.Sc. F.R.S. D.Phi1. F.R.S. F.R.I.C. F.R.S. Editor R. S. CAHN M.A. D,Phil.Net. F.R.I.C. Assistant Editors A. E. SOIKERFIELD Ph.D. A. D. MITCHELL D.Sc. F.R.I.C. L. C. CROSS Ph.D. A.R.C.S. F.R.I.C. LONDON T H E C H E M I C A L S O C I E T Y CONTENTS PAGE THE PROPERTIES AND NATURE OF ADSORBENT CARBONS.By J. J. Kipling . . 1 PHENOL TAUTOMERISM. By R. H. Thomson. . 27 Barton and R. C. Cookson . . 44 83 THE PRINCIPLES OF CONFORMATIONAL ANALYSIS. By D. H. R. RADIOACTIVATION ANALYSIS. By E. N. Jenkins and A. A. Smales THE INDOLE ALKALOIDS EXCLUDING HARMINE AND STRYCHNINE. FLASH PROTOLYSIS AND KINETIC SPECTROSCOPY. By R. G. W. Norrish and B. A. Thrush . . 149 NUCLEAR METHYLATION OF FLAVONES AND RELATED COM- POUNDS. By A. C. Jain and T. R. Seshadri . . 169 RAMAN SPECTRA OF INORGANIC COMPOUNDS. By L. A. Wood- ward . . 185 SILYL COMPOUNDS. By Alan G. MacDiarmid . . 208 PEPTIDES METHODS OF SYNTHESIS AND TERMINAL-RESIDUE STUDIES. By H. D. Springall and H. D. Law . . 230 FOREWORD TO ISSUE No. 3 . 259 OXIDATIVE-HYDROLYTIC SPLITTING OF CARBON-CARBON BONDS By M. M. Shemyakin and L.A. By J. E. Saxton . . 108 OF ORGANIC MOLECULES. Shchukina . . 261 LATTICENERGY OF IONIC CRYSTALS. By A. F. Kapustinskii . 283 DIRECT MEASUREMENT OF MOLECULAR ATTRACTION BETWEEN SOLIDS SEPARATED BY A NARROW GAP. By B. V. Derjaguin I. I. Abrikosova and E. M. Lifshitz . . 295 TETRA- AND TRI-CHLOROALKANES AND RELATED COMPOUNDS. By A. N. Nesmeyanov R. Kh. Freidlina and L. I. Zakharkin 330 ACETYLENIC COMPOUNDS AS NATURAL PRODUCTS. By J. D. Bu’Lock . . 371 THE CHEMISTRY OF THE AROMATIC HETEROCYCLIC N-OXIDES. THE STEREOCHEMISTRY OF SUB-GROUP VIB OF THE PERIODIC TABLE. By S. C. Abrahams . . 407 SULPHUR NITRIDE AND ITS DERIVATIVES. By Margot Goehring 437 REACTIONS IN SOME NON-AQUEOUS IONISING SOLVENTS. By V. Gutmann . . 451 HOMOGENEOUS REACTIONS OF MOLECULAR HYDROGEN IN SOLU- TION. By J. Halpern . . 463 THE LOCATION OF HYDROGEN ATOMS IN CRYSTALS. By R. E. Richards . . 480 By A. R. Katritzky . . 395 CUMULATIVE INDEXES Vols. 1-X . . 499