5,10-二-（苯基磺基）四氢二苯五烯的合成及晶体结构。

IF 0.6 Q4 CRYSTALLOGRAPHY

Acta Crystallographica Section E: Crystallographic Communications Pub Date : 2025-02-01 DOI:10.1107/S205698902500060X

Toshiki Sakami , Hikaru Watanabe , Takuma Sato , Yasuhiro Okuda , Kan Wakamatsu , Haruo Akashi , Akihiro Orita

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引用次数: 0

摘要

在（i-Pr）2NEt存在下，以苝为光催化剂，在398 nm， 30 W的紫外照射下，通过光催化促进二磺酰基环八元四烯2的加氢转环反应，成功合成了5,10-二（苯基磺酰基）四氢二苯并五烯，C28H22O4S2, 1。在这个反应中，2的环八元四烯部分发生了氢化转环，生成1。单晶x射线分析表明，1的两个对映体沿胞体的a轴交替排列。该结构具有由6-5-5-6融合环组成的宽v型基序，末端苯基环平面之间的二面角约为97.2°。此外，在相对于v型阵列的外置位置观察到一对苯基磺酰基。

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Synthesis and crystal structure of 5,10-bis(phenylsulfonyl)tetrahydrodibenzopentalene

The structure of a curved 6–5–5–6 fused-ring system, with two benzene rings attached at both termini and a pair of phenylsulfonyl groups bonded to the two five-membered rings, is described.

5,10-Bis(phenylsulfonyl)tetrahydrodibenzopentalene, C₂₈H₂₂O₄S₂, 1, was successfully synthesized via the photocatalyst-promoted hydrogenative transannulation of disulfonylcyclooctatetraene, 2, using perylene as the photocatalyst in the presence of (i-Pr)₂NEt under UV-light irradiation (398 nm, 30 W). In this reaction, the cyclooctatetraene moiety of 2 underwent hydrogenative transannulation, yielding 1. Single-crystal X-ray analysis revealed that both enantiomers of 1 are arranged alternately along the a axis of the unit cell. The structure features a wide V-shaped motif consisting of 6–5–5–6 fused rings, with a dihedral angle of approximately 97.2° between the planes of the terminal phenylene rings. Additionally, a pair of phenylsulfonyl groups were observed at the exo positions relative to the V-shaped array.

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来源期刊

Acta Crystallographica Section E: Crystallographic Communications Chemistry-Chemistry (all)

CiteScore

1.90

自引率

0.00%

发文量

351

审稿时长

3 weeks

期刊介绍： Acta Crystallographica Section E: Crystallographic Communications is the IUCr''s open-access structural communications journal. It provides a fast, simple and easily accessible publication mechanism for crystal structure determinations of inorganic, metal-organic and organic compounds. The electronic submission, validation, refereeing and publication facilities of the journal ensure rapid and high-quality publication of fully validated structures. The primary article category is Research Communications; these are peer-reviewed articles describing one or more structure determinations with appropriate discussion of the science.