∗ To whom correspondence should be addressed. e-mail: naoki@my-pharm.ac.jp ... Chemistry of Renieramycins. Part 4. Synthesis of a Simple Natural Marine Product, 6-Hydroxy-7-methoxyisoquinolinemethanol ... Naoki SAITO,* Chieko TANAKA, Tomoo SATOMI, Chigusa OYAMA, and Akinori KUBO ... Meiji Pharmaceutical University; 2–522–1 Noshio, Kiyose, Tokyo 204–8588, Japan. Received September 29, 2003; accepted November 4, 2003