Palladium-catalyzed decarboxylative [4 + 3] cyclization of gamma-methylidene-delta-valerolactones with 1,1-dicyanocyclopropanes.
Shintani, Ryo; Murakami, Masataka; Tsuji, Takaoki; Tanno, Hideyuki; Hayashi, Tamio; Organic letters 11 (2009) 5642–5645; doi:10.1021/ol902326s

data_1504291
_publ_section_title
;
 Palladium-catalyzed decarboxylative [4 + 3] cyclization of
 gamma-methylidene-delta-valerolactones with 1,1-dicyanocyclopropanes.
;
_journal_issue                   24
_journal_name_full               'Organic letters'
_journal_page_first              5642
_journal_page_last               5645
_journal_paper_doi               10.1021/ol902326s
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         'C24 H22 N2 O2 '
_chemical_formula_sum            'C24 H22 N2 O2'
_chemical_formula_weight         370.45
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                95.40(8)
_cell_angle_beta                 90.65(7)
_cell_angle_gamma                91.62(6)
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_cell_length_b                   9.139(18)
_cell_length_c                   13.34(3)
_cell_measurement_reflns_used    1163
_cell_measurement_temperature    151.1
_cell_measurement_theta_max      26.4
_cell_measurement_theta_min      3.6
_cell_volume                     987(3)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  CRYSTALS
_computing_structure_solution    SIR92
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.938
_diffrn_measured_fraction_theta_max 0.938
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
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_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
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_exptl_crystal_colour            colorless
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_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
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_exptl_crystal_size_min          0.20
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_refine_ls_hydrogen_treatment    refall
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_refine_ls_R_factor_gt           0.0624
_refine_ls_shift/su_max          0.0000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
'w = 1/[0.0010Fo^2^ + 3.0000\s(Fo^2^) + 0.5000]'
_refine_ls_weighting_scheme      calc
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_cod_original_formula_sum        'C24 H22 N2 O2 '
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