（±）-6-叔丁基-8-羟甲基-2-苯基-4H-1,3-苯并二噁英和2,2,2',2',6,6'-六甲基-8,8'-亚甲基双（4H-1,3-苯并二噁英）
(+/-)-6-tert-butyl-8-hydroxymethyl-2-phenyl-4H-1,3-benzodioxin and 2,2,2',2',6,6'-hexamethyl-8,8'-methylenebis(4H-1,3-benzodioxin).
作者信息
Masci Bernardo, Levi Mortera Stefano, Varrone Maurizio, Thuéry Pierre
机构信息
Dipartimento di Chimica, Università 'La Sapienza', Box 34, Roma 62, P le Aldo Moro 5, 00185 Roma, Italy.
出版信息
Acta Crystallogr C. 2002 Nov;58(Pt 11):o649-51. doi: 10.1107/s0108270102017481. Epub 2002 Oct 22.
Two compounds containing 1,3-benzodioxin groups are reported, namely (+/-)-6-tert-butyl-8-hydroxymethyl-2-phenyl-4H-1,3-benzodioxin, C(19)H(22)O(3), (I), and 2,2,2',2',6,6'-hexamethyl-8,8'-methylenebis(4H-1,3-benzodioxin), C(23)H(28)O(4), (II). The hydroxy groups of neighbouring molecules in (I) are hydrogen bonded to each other, giving rise to double-row chains. The molecule in (II) adopts a 'butterfly' conformation, with the O atoms in distal positions. In both compounds, the dioxin rings are in distorted half-chair conformations.
报道了两种含有1,3 - 苯并二恶英基团的化合物，即(±)-6 - 叔丁基 - 8 - 羟甲基 - 2 - 苯基 - 4H - 1,3 - 苯并二恶英，C(19)H(22)O(3)，(I)，以及2,2,2',2',6,6'-六甲基 - 8,8'-亚甲基双(4H - 1,3 - 苯并二恶英)，C(23)H(28)O(4)，(II)。(I)中相邻分子的羟基相互形成氢键，产生双行链。(II)中的分子呈“蝴蝶”构象，O原子位于远端位置。在这两种化合物中，二恶英环均处于扭曲的半椅式构象。
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