PART-1 Synthetic Studies of New Chromenes Derivatives PART-2 Synthetic Studies of N-Alkanoic Acid Cyanine Dyes

• Main Authors: Yueh-Ping Kan, 甘月萍
• Other Authors: Chung-Kuang Jow
• Format: Others
• Language: zh-TW
• Published: 2008
• Online Access: http://ndltd.ncl.edu.tw/handle/61764216963748405963

碩士 === 朝陽科技大學 === 應用化學系碩士班 === 96 === part1. The major applications for the photochromic functional colorants are in the field of optical memory. In material the past few decades, new materials utilized a combination of polymers and photochromic dyes for the high technology appcations , such as photochromic sunglasses, color filter photochromic fiber, ultraviolet indicator , or 3-D optical recording material and so on. It pum UV light irracliation , spiropyran dyes change into the corresponding ring-open form resulten in a singl absorption peak in the visishe sange. If the applications need the special color like gray, it is necessary to mix two kinds or more of photochromic dyes. This investigation is aimed at the development of new dyes which may provide two absorption peaks after UV light irradiation . The genoral structure of the target Chromene shown below were preparal in this study and their iorresponding sing-open structure may provide the absorptions in the range of 460nm-520nm and 550nm-650nm part2. Water soluble Cyanine dyes have better fluorescent efficiency in comparing to ; it can be used biological flurorescanl marker in the automatic DNA determination of order. Experience the research and development of extensive work in the research. At the result we may work signifirant contribution to the local industry in there areas . The synthesis of water soluble eyanine dye Cy3 can be readily from our research programs established in the DVD-R Cyanine dye. Cyanine dyes for DVD-R and Cy3 of major frame for example (chart 1) the dyes structures are similar. For research DVD-R the maturation of dyes technology and establish the foundation of further discusses Cy3 dyes. This research can understand for quality of Cyanine dyes, decrease the cost and improve the related property of Taiwan grow up.