Crystal structure correlations in the photochemistry of dimethyl 9,10-dimethyl-9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate

Autor:	Phani Raj Pokkuluri, James Trotter, John R. Scheffer
Rok vydání:	1993
Předmět:	Cyclooctatetraene chemistry.chemical_compound chemistry Molecule General Medicine Crystal structure Triclinic crystal system Solvent effects Benzene Acetonitrile Photochemistry General Biochemistry Genetics and Molecular Biology Derivative (chemistry)
Zdroj:	Acta Crystallographica Section B Structural Science. 49:107-116
ISSN:	0108-7681
DOI:	10.1107/s0108768192006682
Popis:	A study of the photochemistry of the title 9-phenyl - dibenzobarrelene-11,12-diester (1) reveals the formation of a semibullvalene derivative, dimethyl 8b - phenyl-4b,8b,8c,8d-tetrahydrodibenzo[a, f]cyclopropa[cd]pentalene-8c,8d-dicarboxylate (2), in acetone solution, with an additional cyclooctatetraene (COT) photoproduct, dimethyl 5-phenyldibenzo[a,e]cyclooctene-6, 12-dicarboxylate (3), in acetonitrile, benzene and in solid-state photolysis. Crystal data: T= 294 K, Cu Kα, λ=1.5418 A, C 26 H 20 O 4 , M r = 396.44. (1), triclinic, P1, a=10.713 (1), b= 11.991 (1), c=8.177 (1) A, α=95.71 (1), β= 105.14 (1), γ=79.61 (1) o , V= 995.9 (2) A 3 , Z=2, D x =1.322 g cm -3 , F(000)=416, μ=6.8 cm -1 , R= 0.060 for 3069 reflections
Databáze:	OpenAIRE
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