TERPENOIDS AND STEROIDS 171 



43. Brian, P. W. , Hemming, H. G. and Lowe, D. , Nature 193 946 (1962). 



44. Green, J. , J. Sci. Food Agric. 1 801 (1958). 



45. Sironval, C. and EI Tannir-Lomba, J. , Nature 185 855 (1960). 



46. Stowe, B. B. and Obreiter, J. B. , Plant Physiol. 37 158 (1962). 



47. Crane, F. L. , Biochemistry 1_ 510 (1962). 



48. Wolstenholme , G. E. W. and O'Cormer, C. M. eds. , Quinones in Electron Transport , Little, Bro\vn and Co. , Boston, 1961. 



49. Crane, F. L. Plant Physiol. 34 546 (1959). 



50. Kegel, L. P., Henniger, M. D. and Crane, F. L. , Biochem. Biophys. Res. Comms. 8 294 (1962). 



51. Kegel, L. P. and Crane , F. L. , Nature 194 1282 (1962). 



52. Crorabie, L. and Elliott, M. , Fortsclir. Chem. Org. Naturstoffe 19 120 (1961). 



53. Crowley, M. P., Inglis, H. S. , Snarey, M. and Thain, E. M. , Nature 191 281 (1961). 



54. Heitz, S. , Compt. rend. 248 283 (1959). 



55. Pouirat, H. and Hammouda, Y. , Lyon Pharm. Spec. _7 31 (1956). 



56. Kobe, K. A. and Reinliart, L. R. , J. Chem. Educ. 36 300 (1959). 



57. Ives, D. A. J. and O'Neill, A. N. , Can. J. Chem. 36 434 (1958). 



58. Wall, M. E. , Krider, M. M. , Rotiiman, E. S. , and Eddy, C. R. , J. Biol. Chem. 198 533 (1952). 



59. Neher, R. , J. Chromatog. J^ 122 (1958). 



60. Bergmann, W. and Domsky, I. I., Ann. N Y. Acad. Sci. 90 Art. 3_, 906 (1960). 



61. Strain, H. H. , Chloroplast Pigments and Chromatographic Analysis, Phi Lambda Upsilon, Perm. State Univ., University 



Park, Penna. , 1958. 



62. Zavarin, E. , Smith, R. M. and Anderson, A. B. , J. Org. Chem. 24 1318 (1959). 



63. Pliva, J. , Horak, M. , Herout, V. and 5orm, F. , Die Terpene . Teil 1. Sesquiterpene , Akademie Verlag, Berlin, 1960. 



64. Kirchner, J. G. , Miller, J. M. , and Keller, G. J. , Anal. Chem. 23 420 (1951). 



65. Battaile, J. , Durming, R. L. andLoomis, W. D. , Biochim. Biophys. Acta 51 538 (1961). 



66. Hayashi, K. and Hashimoto, Y. , Pharm. Bull. (Tokyo) 5 611 (1957). (Chem. Abstr. 52 15838.) 



67. Cartoni, G. P. and Liberti, A., J. Chromatog. 3 121 (1960). 



68. Zubyk, W. J. and Conner, A. Z. , Anal. Chem. 32 912 (1960). 



69. Pasich, B. , Nature 181 765 (1958). 



70. Sannie, C. S. , Heitz, S. and Lapin, H. , Compt. rend. 233 1670 (1951). 



71. Pasich, B. , Nature 190 830 (1961). 



72. Reineke, L. M. , Anal. Chem. 28 1853 (1956). 



73. Axelrod, L. R. and Pulliam, J. E. , Arch. Biochem. Biophys. 89 105 (1960). 



74. Sestak, Z. , J. Chromatog. 1 293 (1958). 



75. Jensen, A. and Jensen, S. L. , Acta Chem. Scand. 13 1863 (1959). 



76. Resplandy, A. , Ann. pharm. franc. 17 536 (1959). (Chem. Abstr. 54 7069(1960). 



77. Kowalewski, Z. , Helv. Chim. Acta 43 1314 (1960). 



78. Lester, R. L. and Ramasarma, T. , J. Biol. Chem. 234 672 (1959). 



79. Peereboom, J. W. C. , Roos, J. B. and Beekes, H. W. , J. Chromatog _5 500 (1961). 



80. Steinegger, E. and van der Walt, J. H. , Pharm. Acta Helv. 36 599 (1961). 



81. Tschesche, R. , Lampert, F. and Snatzke, G. , J. Chromatog. 5_ 217 (1961). 



82. Eichenberger, W. and Giob, E. C. , Helv. Chim. Acta 45 974 (1962). 



83. Barbier, M. , J. Cliromatog. 2 649 (1959). 



84. VandenHeuvel, W. J. and Homing, E. C. , J. Org. Chem. 26 634 (1961). 



85. Brieskorn, C. H. and Herrig, H. , Arch. Pharm. 292 485 (1959). 



86. Cook, R. P., Analyst 86 373 (1961). 



87. Brieskorn, C. H. and Mahran, G. H. , Naturwiss. 47 107 (1960). 



88. Gerlach, H. , Planta Med. 6 1948 (1958). 



89. Wachsmuth, H. and Van Koeckhoven, L. , Anal. Chim. Acta 22 41 (1960). 



90. Shamma, M. , Drug Standards 27 42 (1959). 



91. Shunk, C. H. , McPherson, J. F. , and Folkers, K. A. , J. Org. Chem. 25 1053 (1960). 



92. Woodward, R. B. , J. Am. Chem. Soc. 64 72 (1942). 



93. Dorfman, L. , Chem. Revs. S3 47 (1953). 



94. Dobriner, K. , Katzenellenbogen, E. R. and Jones, R. N. , Infrared Absorption Spectra of Steroids, Interscience Publishers, 



N. Y. , 1953. 



95. Jones, R. H. , Katzenellenbogen, E. , and Dobriner, K. , J. Am. Chem. Soc. 75 158 (1953). 



96. Diaz, G. , Zaffaroni, A. , Rosenkranz, G. , and Djerassi, C. , J. Org. Chem. 17 747 (1952). 



97. Bernstein, S. , andLenhard, R. H. , J. Org. Chem. 25 1405 (1960). 



98. Mathieu, J. P. and Petit, A. , Optical Rotatory Powers , I Steroids Pergamon Press, N. Y. 



99. Mathieu, J. P. and Ourisson, G. , Optical Rotatory Powers . II Triterpenoids , Pergamon Press, N. Y. 



100. Ciba Foundation Symposium on the Biosynthesis of Terpenes and Sterols, Little, Brown, Boston, 1959. 



101. Wright, L. D. , Ann. Rev. Biochem. 30 525 (1961). 



102. Goodwin, T. W. , Ann. Rev. Plant Physiol. 12 219 (1961). 



103. Crabbe, P. , Record Chem. Piog. 20 189 (1959). 



104. Dutta, P. C. and Narang, S. A. , J. Indian Chem. Soc. 38 576 (1961). 



