Modular synthesis of oligoacetylacetones via site-selective silylation of acetylacetone derivatives.
Sarkar, Parantap; Inaba, Yuya; Shirakura, Hayato; Yoneda, Tomoki; Inokuma, Yasuhide; Organic & biomolecular chemistry 18 (2020) 3297–3302; doi:10.1039/d0ob00501k

data_7157459
_publ_section_title
;
 Modular synthesis of oligoacetylacetones via site-selective silylation of
 acetylacetone derivatives.
;
_journal_issue                   17
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3297
_journal_page_last               3302
_journal_paper_doi               10.1039/d0ob00501k
_journal_volume                  18
_journal_year                    2020
_chemical_formula_moiety         'C34 H50 O8'
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_cell_length_c                   11.6894(4)
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_diffrn_ambient_temperature      123(2)
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_diffrn_reflns_av_unetI/netI     0.0300
_diffrn_reflns_Laue_measured_fraction_full 0.999
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_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.43a (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.191
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             318
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_refine_ls_R_factor_all          0.0556
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0609P)^2^+0.2828P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.1254
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_reflns_number_gt                2919
_reflns_number_total             3522
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ob00501k3.cif
_cod_data_source_block           Compound7
_cod_depositor_comments
'Adding full bibliography for 7157456--7157460.cif.'
_cod_database_code               7157459
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.953
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_shelx_res_checksum              60786
_shelx_hkl_checksum              92648