The thionophosphate‒thiolophosphate † photoisomerization proceeds predominantly through a non-chain radical pathway. Synthetically viable benzylation of tetrahydrofuran, propan-2-ol and olefins ‡
Yadav, Veejendra K.; Balamurugan, Rengarajan; Parvez, Masood; Yamdagni, Raghav; Journal of the Chemical Society, Perkin Transactions 1  (2001) 323–; doi:10.1039/b003501g

data_7213364
_publ_contact_author
;
Masood Parvez
Department of Chemistry
University of Calgary
2500 University Drive, N.W.
Calgary, Alberta
Canada T2N 1N4
;
_publ_section_title
;
 The thionophosphate--thiolophosphate&#x200A;&#x2020; photoisomerization
 proceeds predominantly through a non-chain radical pathway. Synthetically
 viable benzylation of tetrahydrofuran, propan-2-ol and
 olefins&#x200A;&#x2021;
;
_journal_issue                   3
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 1'
_journal_page_first              323
_journal_paper_doi               10.1039/b003501g
_journal_year                    2001
_chemical_formula_moiety         'C18 H16 O4 '
_chemical_formula_sum            'C18 H16 O4'
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_space_group_IT_number           14
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_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
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_audit_creation_method           'by teXsan v1.7'
_cell_angle_alpha                90
_cell_angle_beta                 107.54(6)
_cell_angle_gamma                90
_cell_formula_units_Z            2
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_cell_measurement_reflns_used    12
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_computing_cell_refinement       'MSC/AFC Diffractometer Control'
_computing_data_collection       'MSC/AFC Diffractometer Control'
_computing_data_reduction        'teXsan (MSC, 1995)'
_computing_publication_material  'teXsan (MSC, 1995)'
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_computing_structure_solution
;
SIR92 (Altomare, et. al. 1993)
;
_diffrn_ambient_temperature      170
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_diffrn_orient_matrix_UB_11      -0.00280
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_diffrn_orient_matrix_UB_13      0.01965
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_diffrn_orient_matrix_UB_33      -0.05226
_diffrn_radiation_detector       'scintillation counter'
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_diffrn_radiation_source         'X-ray tube'
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_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.03735
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_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
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_diffrn_reflns_reduction_process 'Lp corrections applied'
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_diffrn_standards_interval_count 200
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_exptl_absorpt_coefficient_mu    0.091
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_exptl_absorpt_correction_type
;
\y scans (North,Phillips & Matthews, 1968)
;
_exptl_crystal_colour            colorless
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_exptl_crystal_size_mid          0.41
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    noref
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_refine_ls_number_constraints    0
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_refine_ls_R_factor_obs          0.0759
_refine_ls_shift/esd_max         0.0000
_refine_ls_shift/esd_mean        0.0000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[\s^2^(Fo)]'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_obs         0.0507
_reflns_number_observed          609
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_reflns_observed_criterion       >3.00\s(I)
_cod_data_source_file            b003501gsup1.cif
_cod_data_source_block           Y-11
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'w = 1/[\s^2^(Fo)]' was changed
to 'calc'. New tag '_refine_ls_weighting_details' was created. The
value of the new tag was set to 'w = 1/[\s^2^(Fo)]'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        757.7(9)
_cod_original_sg_symbol_H-M      'P 21/n     '
_cod_original_formula_sum        'C18 H16 O4 '
_cod_database_code               7213364