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_4026016
_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         'C16 H23 O7 P'
_chemical_formula_sum            'C16 H23 O7 P'
_chemical_formula_weight         358.31
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 121.467(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.4896(13)
_cell_length_b                   6.3827(5)
_cell_length_c                   22.4035(15)
_cell_measurement_reflns_used    3330
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.02
_cell_measurement_theta_min      2.44
_cell_volume                     1889.2(3)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_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  0.0571
_diffrn_reflns_av_sigmaI/netI    0.0531
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            20484
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    0.177
_exptl_absorpt_correction_T_max  0.9791
_exptl_absorpt_correction_T_min  0.9455
_exptl_absorpt_correction_type   'empirical sadabs'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_meas      ?
_exptl_crystal_description       needles
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     222
_refine_ls_number_reflns         4444
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.150
_refine_ls_R_factor_all          0.1335
_refine_ls_R_factor_gt           0.0678
_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^)+(0.0485P)^2^+1.2776P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1473
_refine_ls_wR_factor_ref         0.1708
_reflns_number_gt                2427
_reflns_number_total             4444
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo102240u_si_002_01.cif
_cod_data_source_block           compd-24
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4026016