Cycloaddition Reactions of Allenylphosphonates and Related Allenes with Dialkyl Acetylenedicarboxylates, 1,3-Diphenylisobenzofuran, and Anthracene
K. V. Sajna; Ramesh Kotikalapudi; Manab Chakravarty; N. N. Bhuvan Kumar; K. C. Kumara Swamy; Journal of Organic Chemistry 76 (2011) 920–938; doi:10.1021/jo102240u

data_4026030
_publ_section_title
;
 Cycloaddition Reactions of Allenylphosphonates and Related Allenes with
 Dialkyl Acetylenedicarboxylates, 1,3-Diphenylisobenzofuran, and
 Anthracene
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              920
_journal_page_last               938
_journal_paper_doi               10.1021/jo102240u
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C29 H23 O P'
_chemical_formula_sum            'C29 H23 O P'
_chemical_formula_weight         418.44
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 107.2870(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.8800(15)
_cell_length_b                   9.9538(9)
_cell_length_c                   15.1330(14)
_cell_measurement_reflns_used    6088
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      26.04
_cell_measurement_theta_min      2.45
_cell_volume                     2284.0(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0190
_diffrn_reflns_av_sigmaI/netI    0.0192
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            17457
_diffrn_reflns_theta_full        26.04
_diffrn_reflns_theta_max         26.04
_diffrn_reflns_theta_min         2.45
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 'not applicable'
_diffrn_standards_interval_time  'not applicable'
_diffrn_standards_number         'not applicable'
_exptl_absorpt_coefficient_mu    0.138
_exptl_absorpt_correction_T_max  0.973
_exptl_absorpt_correction_T_min  0.962
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS, Sheldrick(1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_description       block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.193
_refine_diff_density_min         -0.247
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         4351
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0396
_refine_ls_R_factor_gt           0.0381
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0450P)^2^+1.0085P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0926
_refine_ls_wR_factor_ref         0.0938
_reflns_number_gt                4187
_reflns_number_total             4351
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo102240u_si_002_15.cif
_cod_data_source_block           compd-66
_cod_database_code               4026030