To stay as allene or go further? Synthesis of novel phosphono-heterocycles and polycyclics via propargyl alcohols
Venu Srinivas; K. V. Sajna; K. C. Kumara Swamy; Chem.Commun. 47 (2011) 5629–; doi:10.1039/c1cc10230c

data_7106348
_publ_section_title
;
 To stay as allene or go further? Synthesis of novel
 phosphono-heterocycles and polycyclics via propargyl alcohols
;
_journal_name_full               Chem.Commun.
_journal_page_first              5629
_journal_paper_doi               10.1039/c1cc10230c
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C20 H23 Cl N O5 P'
_chemical_formula_sum            'C20 H23 Cl N O5 P'
_chemical_formula_weight         423.81
_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                 109.33(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.733(4)
_cell_length_b                   9.887(3)
_cell_length_c                   19.893(12)
_cell_measurement_reflns_used    1072
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      29.3787
_cell_measurement_theta_min      2.8266
_cell_volume                     1992.0(16)
_computing_cell_refinement       'CrysAlisPro, Oxford Diffraction Ltd.'
_computing_data_collection       'CrysAlisPro, Oxford Diffraction Ltd.'
_computing_data_reduction        'CrysAlisPro, Oxford Diffraction Ltd.'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w 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  0.0961
_diffrn_reflns_av_sigmaI/netI    0.1256
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            7946
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.83
_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    0.304
_exptl_absorpt_correction_T_max  0.9530
_exptl_absorpt_correction_T_min  0.9361
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlisPro, Oxford Diffraction Ltd.'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.649
_refine_diff_density_min         -0.602
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.853
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         3507
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.853
_refine_ls_R_factor_all          0.1376
_refine_ls_R_factor_gt           0.0719
_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^)+(0.0998P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1616
_refine_ls_wR_factor_ref         0.1864
_reflns_number_gt                1637
_reflns_number_total             3507
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc10230c.txt
_cod_data_source_block           compound-7
_cod_original_cell_volume        1992.0(15)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7106348