Intermolecular Rhodium-Catalyzed [3+2+2] Carbocyclization of Alkenylidenecyclopropanes with Activated Alkynes: Regio- and Diastereoselective Construction of cis-Fused Bicycloheptadienes
P. Andrew Evans; Phillip A. Inglesby; Journal of the American Chemical Society 130 (2008) 12838–12839; doi:10.1021/ja803691p

data_4108395
_publ_section_title
;
 Intermolecular Rhodium-Catalyzed [3+2+2] Carbocyclization of
 Alkenylidenecyclopropanes with Activated Alkynes: Regio- and
 Diastereoselective Construction of cis-Fused Bicycloheptadienes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12838
_journal_page_last               12839
_journal_paper_doi               10.1021/ja803691p
_journal_volume                  130
_journal_year                    2008
_chemical_formula_moiety         'C20 H25 N O4 S'
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_cell_angle_beta                 95.527(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
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_cell_length_c                   17.708(5)
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_cell_measurement_temperature    100(2)
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_cell_measurement_theta_min      3.241
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_computing_cell_refinement       'SAINT v6.45a (Bruker, 2005)'
_computing_data_collection       'SMART v.5.632 (Bruker, 2005)'
_computing_data_reduction        'SAINT v6.45a (Bruker, 2005)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.952
_diffrn_measured_fraction_theta_max 0.952
_diffrn_measurement_device_type  'Bruker D8 diffractometer with APEX detector'
_diffrn_measurement_method       '\w scans with a narrow frame width'
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_diffrn_reflns_theta_max         27.74
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_exptl_absorpt_correction_T_max  0.9746
_exptl_absorpt_correction_T_min  0.9520
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colourless
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_exptl_crystal_description       prism
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0513P)^2^+2.5166P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     >2sigma(I)
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C:\Data\Bruker\DEPT\EVANS\PINGLESBY\PI11174\work\pi11174m.CIF
_cod_original_cell_volume        3728.8(17)
_cod_database_code               4108395