i68 CAROTENOID HYDROCARBONS OF KNOWN CONSTITUTION X 



io6. P. Karrek and A. Ruegger, Helv. chim. Ada 23 (1940) 955. 



107. L. Zechmeister, L. v. Cholnoky and V. Vrab^ly, Ber. 61 (1928) 566; 66 (1933) 123. 

 — cf. J. H. C. Smith, /. biol. Chem. go (1931) 597; 96 (1932) 35. 



108. H. V. EuLER, V. Demole, p. Karrer and O. Walker, Helv. chim. Acta 13 (1930) 

 1078. 



109. R. KuHN and E. Lederer, Naturwissenschaften 19, (1931) 306; Ber. 65 (1932) 639. — 

 cf. A. E. GiLLAM, I. M. Heilbron, R. a. Morton and J. C. Drummond, Biochem. J. 

 26 (1932) 1 174. — P. Karrer, K. Schopp and R. More, Helv. chim. Acta 15 (1932) 

 1158. 



no. P. Karrer and G. Schwab, Helv. chim. Ada 23 (1940) 578. 



111. P. Karrer, K. Schopp and R. More, Helv. chim. Ada 15 (1932) 1158. — cf. R. Kuhn 

 and E. Lederer, Ber. 65 (1932) 639. — A. E. Gillam, I. M. Heilbron, R. A. Morton 

 and J. C. Drummond, Biochem. J. 26 (1932) 1174. 



112. K. W. Hausser and A. Smakula, Angew. Chem. 47 (1934) 663; 48 (1935) 152. 



113. H. V. Euler, p. Karrer and O. Walker, Helv. chim. Ada 15 (1932) 1507. 



114. P. Karrer and E. Jucker, Helv. chim. Ada 28 (1945) 427. 



115. R. Kuhn and H. Brockmann, Ber. 65 (1932) 896; Ber. 6j (1934) 1408; cf. Ann. 

 516 (1935) 95. 



116. R. Kuhn and H. Brockmann, Ann. 516 (1935) 98, 120. 



117. R. Kuhn and H. Brockmann, Ber. 66 (1933) 1319. 



118. R. Kuhn and H. Brockmann, Ann. 516 (1935) 120. 



119. P. Karrer and U. Solmssen, Helv. chim. Ada 18 (1935) 25. 



120. R. Kuhn and H. Brockmann, Ann. 516 (1935) 113, 122. 



121. R. Kuhn and H. Brockmann, Ber. 65 (1932) 894; 6y (1934) 885; Ann. 5/6(1935) 

 123. 



122. R. Kuhn and H. Brockmann, Ber. 66 (1933) 1324. 



123. R. Kuhn and H. Brockmann, Z. physiol. Chem. 213 ^1932) 3. 



124. K. W. Hausser and A. Smakula, Angew. Chem. 4y (1934) 663; 48 (1935) 152. 



125. R. Kuhn and H. Brockmann, Ann. 516 (1935) 113; 516 (1935) 123. 



126. R. Kuhn and H. Brockmann, Ann. 516 (1935) 113, 124. 



127. R. Kuhn and H. Brockmann, Ber. 66 (1933) 1324. 



128. R. Kuhn and H. Brockmann, Ber. 6y (1934) 886; Ann. 516 (1935) 98, 125, 127; cf. 

 Z. physiol. Chem. 215 (1932) 5. 



129. P. Karrer and U. Solmssen, Helv. chim. Ada 20 (1937) 682. — P. Karrer, U. 

 Solmssen and W. Gugelmann, Helv. chim. Ada 20 (1937) 1020. 



130. H. V. Euler, P. Karrer and U. Solmssen, Helv. chim. Ada 21 (1938) 211. 



131. P. Karrer and U. Solmssen, Helv. chim. Ada 20 (1937) 688. — P. Karrer, U. 

 Solmssen and W. Gugelmann, Helv. chim. Ada 20 (1937) 1023. 



132. H. V. Euler, P. Karrer and U. Solmssen, Helv. chim. Ada 21 (1938) 211. 



133. P. Karrer and E. Jucker, Helv. chim. Acta 28 (1945) 427. 



134. P. Karrer and E. Jucker, Helv. chim. Ada 28 (1945) 427. 



135. P. Karrer, E. Jucker, J. Rutschmann and K. Steinlein, Helv. chim. Ada 28 

 (1945) 1150- 



136. A. E. Gillam and M. S. El Ridi, Nature (London) 136 (1935) 914; Biochem. J. 30 

 (1936) 1735; 31 (1937) 251- 



137. L. Zechmeister and co-workers, Nature (London) 141 (1938) 249; Biochem. J. 32 

 (1938) 1305; Ber. 72 (1939) 1340;/. Am. Chem. Soc. 64 (1942) 1856; 65 (1943) 1528; 

 66 (1944) 137; Arch. Biochem. 5 (1944) 107; 7 (1945) 247. — cf. also F. P. Zscheile 

 and co-workers. Arch. Biochem. 5 (1944) 211, and H. H. Strain, /. Am. Chem. Soc. 

 63 (1941) 3448. 



138. L. Zechmeister and co-workers, Nature (London) 141 (1938) 249; Biochem. J. 32 

 (1938) 1305; Ber. 72 (1939) 1340;/. Am. Chem. Soc. 64 (1942) 1856; 65 (1943) 1528; 

 66 (1944) 137; Afch. Biochem. 5 (1944) 107; 7 (1945) 247. — cf. also F. P. Zscheile 

 and co-workers. Arch. Biochem. 5 (1944) 211; H. H. Strain, /. Am. Chem. Soc. 63 

 (1941) 3448. 



