Biochemical and pathological study of endogenous 1-benzyl-1,2,3,4-tetrahydroisoquinoline-induced parkinsonism in the mouse
✍ Scribed by Kenji Abe; Kyoji Taguchi; Tomoko Wasai; Jin Ren; Iku Utsunomiya; Tatsumi Shinohara; Tadashi Miyatake; Takehiro Sano
- Book ID
- 113997242
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 409 KB
- Volume
- 907
- Category
- Article
- ISSN
- 0006-8993
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## Abstract 1‐Benzyl‐1,2,3,4‐tetrahydroisoquinoline (1BnTIQ), an endogenous neurotoxin, is known to cause parkinsonism in rodents and nonhuman primates. The levels of 1BnTIQ in cerebrospinal fluid of patients with Parkinson's disease (PD) were reported to be three times higher than those in control
## Abstract Debenzylation of 1‐(3‐benzyloxybenzyl)‐1,2,3,4‐tetrahydroisoquinolines **1**, **6**, **7** with hydrochloric acid and ethanol gave the corresponding phenolic isoquinolines **2**, **8**, **9** and tetrahydroprotoberberines **4**, **12**, **13**. Compounds **2**, **8**, **9** on photolysi