1H NMR spectra of the all-trans, 7-cis, 9-cis, 13-cis and 15-cis isomers of β-carotene: elongation of the double bond and shortening of the single bond toward the center of the conjugated chain as revealed by vicinal coupling constants

✍ Scribed by Yasushi Koyama; Mitsunori Hosomi; Hideki Hashimoto; Toshio Shimamura

• Publisher: Elsevier Science
• Year: 1989
• Tongue: English
• Weight: 919 KB
• Volume: 193
• Category: Article
• ISSN: 0022-2860
• DOI: 10.1016/0022-2860(89)80132-2