A two carbon homologation of Friedel-Crafts alkylation enabled by photochemical alkene stitching: modular assembly of cyclolignans.
Pramanik, Shyamal; Samanta, Apurba; Maity, Soumitra; Chemical communications (Cambridge, England) 60 (2024) 5282–5285; doi:10.1039/d4cc00957f

data_7132966
_publ_section_title
;
 A two carbon homologation of Friedel-Crafts alkylation enabled by
 photochemical alkene stitching: modular assembly of cyclolignans.
;
_journal_issue                   40
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              5282
_journal_page_last               5285
_journal_paper_doi               10.1039/d4cc00957f
_journal_volume                  60
_journal_year                    2024
_chemical_formula_sum            'C22 H26 O6'
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_audit_update_record
;
2023-10-04 deposited with the CCDC.	2024-04-17 downloaded from the CCDC.
;
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_refine_ls_extinction_coef       0.0044(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
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_refine_ls_hydrogen_treatment    constr
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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^)+(0.0501P)^2^+0.1728P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1140
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_reflns_Friedel_coverage         0.000
_reflns_number_gt                2950
_reflns_number_total             4529
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc00957f2.cif
_cod_data_source_block           sp_2078_b
_cod_depositor_comments
'Adding full bibliography for 7132965--7132966.cif.'
_cod_original_cell_volume        1994.2(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7132966
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_shelx_hkl_checksum              42016