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| Section2 = }} 1-Benzylisoquinoline is a chemical compound, and the structural backbone of many alkaloids with a wide variety of structures, including papaverine, noscapine, codeine, morphine, apomorphine, berberine, protopine, tubocurarine, and sanguinarine. ==Biosynthesis== Plants producing benzylisoquinoline alkaloids have a common biosynthetic pathway, making use of two units of L-tyrosine. One tyrosine molecule is metabolised to dopamine which constitutes the isoquinoline part, while the benzylic part is mostly formed from tyramine, itself the decarboxylation product of tyrosine. Many benzylisoquinolines have a methylated nitrogen atom as well as functional groups containing oxygen (-OH, -OCH3, -OCH2O-) in positions 6, 7, 3' and 4'. The latter come from the precursors mentioned above, namely tyrosine, dopamine and their derivatives. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Benzylisoquinoline」の詳細全文を読む スポンサード リンク
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