1965
DOI: 10.1002/jlac.19656840123
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Coenzym Q, LIX Photochemische Cyclisierung von Coenzym Q zum D, L‐Chromenol

Abstract: Bd. 684 2-Amino-4-hydroxymethyl-pyrimidin (111). -900 mg (6 mMol) ZI werden in die Extraktionshiilse einer Soxhletapparatur gefiillt. Der Kolben enthalt 420 mg (10 mMol) LiAlH4 in 100 ccm absol. Ather. Nach 10 Stdn. war die Reaktion beendet. AnschlieRend wurde auf --20" gekiihlt und rnit 20ccm k h a n o l zersetzt. Aus der zur Trockne eingedampften Losung wurde I11 rnit Ather in einer Soxhletapparatur extrahiert. Ausbeute 75 mg (9.4%); Schmp. 145".CsH7N30 (

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Cited by 6 publications
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“…Folkers and coworkers (12) consider that the photocyclization reaction involves a polar excitation state proceeding by elimination of a proton from the 1-position of the isoprenoid side chain to the intermediate which stabilizes by cyclization to form ubichromenol (Fig. 2, reaction A).…”
Section: Discussionmentioning
confidence: 99%
“…Folkers and coworkers (12) consider that the photocyclization reaction involves a polar excitation state proceeding by elimination of a proton from the 1-position of the isoprenoid side chain to the intermediate which stabilizes by cyclization to form ubichromenol (Fig. 2, reaction A).…”
Section: Discussionmentioning
confidence: 99%