174 Colchicine 



44. ScoiT. G. v.. ANP 1 ARHi Li., D. S. Stiulies in the stiuciure of cokhiciiic. An 

 infrared studv of colchicine deri\ati\es and related compounds. Join. .\mer. 

 Chem. Soc. 72:240-43. 1950. 



4.5. DoERiNG, W. VON E., AND Knox. L. H. Tropoloiic. Jour. Ainer. Chem. Soc. 

 73:828-38. 1951. 



Ki. KiNC, M. v., De Vriks, }. 1... and Pepinskv, R. An X-rav diffiaction determi- 

 nation of the chemical structure of colchicine. .Acta Cry.st. 5:437-10. 1952. 



17. Zeisee, S., and Stockert, K. R. I'her einige biomhaltige .\bk6mmlinge des 

 Colchicins. Monatsh. 34:1339-47. 1913. 



48. Lfiire. H., Fernhoiz, H., Harivvk., E. Zur Kenntnis der Tribronrocol- 

 chiceinsaure. ,\nnalen. Chem. 576:147-54. 1952. 



19. Fernhoi.z. H.. HARTWif;, E., and .Salfeld, J-C. Einige rntersuchungen an Tro- 

 ])olonen und \'ergleiche mit dem Colchicin. Annalen Chem. 576:131—46. 1952. 



50. Zeisel, S., AND Friedrich, A. ijber das Oxycolchicin. Monatsh. 34:1181-86. 1913. 



51. C:ooK. J. AV.. Jack. ].. and Loi'don. }. D. Colchicine and related compounds. 

 Part Xil. .Some nrolecular rearrangements. Jour. Chem. Soc. 1952. I'p. (>07-10. 



52. Grewe, R., and WulFj W. Die Umwandlung des Colchicins dinch Soinicnlicht. 

 Chem. Ber. 84:621-25. 1951. 



53. Santavv, F. Sid)stan/en der Herbstzeitlose imd ihre Derl\ate. XXII. Photo- 

 chemisclie Produkte des Colchicins und einige seiner Derivate. Coll. Czech. 

 Chem. C;omm. 16:665-75. 1951. 



54. Boekelheide, V., and Pennington, F. C. Coumarins as intermediates in the 

 s\nthesis of colchicine analogs. Join. .\mer. Chem. Soc. 74:1558-62. 1952. 



55. .\nderson, A. G., and CiREEF, H. F. Synthesis of dimelhvl 6.7,8,9. -tetrahydro- 

 5H-c\cloheptahcnzene-5-acetate-6-pr(>pionate. }our. Amer. C4iem. Soc. 74:5203-4. 

 1952.' 



56. Ginsberg, D., and Paim'o. R. Colchicine studies. I. Synthesis and reactions of 

 2-arvlrTr/ohept-2-enones. Jour. Amer. Chem. Soc. 75:1094-97. 1953. 



57. Koo, j., AND Hartwei.i,, ). L. Synthesis of 2:3:4-trimethoxybenw)suberene and 

 2:3:4:-trimetho\vbenzosuberancarboxvlic acids and esters, [our. Amer. Chem. 

 Soc, 75:1625-28.' 1953. 



58. Tarbell. D. S., Hirschi.er. H. R., and Hall, T. J. Syntheses in the thiochrom- 

 anone field, jour, .\nier. Chem. Soc. 75:1985-87. 1953. 



59. GuTscHE, C. b., AND Seetc:man. K. L. Preliminary experiments on the synthesis 

 of colchicine: a method for s\nlhesising ring B. )our. Amer. Clicm. Soc. 

 75:2579-84. 1953. 



60. Wada, B. The eflect of chemicals on mitosis studied in Tradcsriniti/i cells /» 

 x'ix'o. I. p-.\cet\laminotropolone. Cytologia. 17:14-34. 1952. 



61. Raffauf, R. ¥.. Farrfn, .\. L., and I'llvot, G. E. C:"-Labeled cokhitine dc 

 rivatives. Jour. Amer. Chem. Soc. 75:2576-78. 1953. 



62. Horowitz, R. M.. and I'i.lyot, G. E. Desinethylcolchicine, a constituent of 

 U.S. P. colchicine. Science. 115:216. 19,52. 



63. Bellet, p. Le colchicoside. I. Ann. Pharm. Franc. 10:81-88. 1952. 



64. . ,\miard, G., Pesfz, M., and Petit, A. Sur le colchicoside. II. Syn- 



these partielle et constitution. Ann. Pharm. Franc. 10:211-16. 1952. 



65. AND Regnier, P. Colchicoside et colchicine. III. Sur ([uelques 



singularites de pouvoir rotatoire. .\nn. Pharm. Franc. 10:340-44. 1952. 



66. Santavv. F.. and Reichstein. T. .\lkaloide der Herbst/eitlosen/w iebeln [Colchi- 

 nun tiuluiinialc L.) wahiend deren Entu icklung. Sul)stan/en der Hei bstzeitlose 

 inul ihre Derivate. (25. Mitteilung) Pharm. Acta Helv. 27:71-76. 1952. 



67. -, C.ERNOCH. M., Malinskv, J., Lang, B., and Zajickova, .\. Isolement 



des substances des bulhes des differentes especes du genre Colchkiue. Sub- 

 stances tirees du Clolchicjue et letirs deri\es. (21e Commmiicatioii) .\nn. 

 Pharm. Franc. 9:50-59. 1951. 



(i8. . Substanzen der Herbstzeitlose und ihre Derivate. XX\11. Beitrag 



/in- Konstitntion der Substanz F. Coll. Czech. Chem. Comm. 16:(i7()-8S. 1951. 



