399 Furans and Related Substances 



851 Furan-3-carboxylic Acid, C.-,H40;,, colorless crystals, m.p. 121°. 



COOH 



/ 



u 



Ceratostomella fimbriata (sweet potato substrate) 

 Takashi Kubota and Keizo Naya, Chem. and Ind., 1427 

 (1954). 



852 5-Hydroxymethylfuran-2-carboxylic Acid (Sumiki's Acid), CeHr,04, 

 colorless crystals, m.p. 164° (dec). 



I J 

 HOCH, COOH 



Aspergillus glaucus, A. clavatus, A. niger, A. oryzae, A. 

 wentii, Gibberella fujikuroi 



Yusuke Sumiki, J. Agr. Chem. Soc. Japan 7 819 (1931). 



Akira Kawarada, Nobutaka Takahashi, Hiroshi Kitamura, 

 Yasuo Seta, Makoto Takai and Saburo Tamura, Bull. Agr. 

 Chem. Soc. (Japan) 19 84 (1955). 



853 Ipomeanine, CoHi.Ai, oil, b.o.ooi 74-79°, Hd'-^ 1.4975, [a]o +3.9°. 



O O 



II II 



C— CH2— CH2— C— CHs 



Ceratostomella fimbriata (sweet potato substrate) 

 Takashi Kubota and Nobutaka Ichikawa, Chem. and Ind., 

 902 (1954). 



854 Batatic Acid, C10H10O4, colorless crystals, m.p. 88.5°, [ajc^" 



+ 17.5" (in ethanol). 



Ceratostomella fimbriata (sweet potato substrate) 

 Takashi Kubota and Keizo Naya, Chem. and Ind., 1427 

 (1954). 



