Synthesis and Diels-Alder Reactivity of Substituted [4]Dendralenes.
Saglam, Mehmet F.; Alborzi, Ali R.; Payne, Alan D.; Willis, Anthony C.; Paddon-Row, Michael N; Sherburn, Michael S.; The Journal of organic chemistry 81 (2016) 1461–1475; doi:10.1021/acs.joc.5b02583

data_4031875
_publ_section_title
;
 Synthesis and Diels-Alder Reactivity of Substituted [4]Dendralenes.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1461
_journal_page_last               1475
_journal_paper_doi               10.1021/acs.joc.5b02583
_journal_volume                  81
_journal_year                    2016
_chemical_compound_source        local
_chemical_formula_moiety         'C24 H27 N3 O6'
_chemical_formula_sum            'C24 H27 N3 O6'
_chemical_formula_weight         453.49
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             11-09-01
_audit_creation_method           CRYSTALS_ver_14.11
_audit_update_record
; 
2011-09-02 - Report on C24 H27 N3 O6 
             by Anthony C. Willis 
             for Mehmet Saglam and Mick Sherburn

     This is a redo of she1118, but at 150K
 
2011-09-02 - passes checkcif tests with minor warnings 
2015-08-27 - CCDC version
;
_cell_angle_alpha                90
_cell_angle_beta                 97.1260(15)
_cell_angle_gamma                90
_cell_formula_units_Z            12
_cell_length_a                   10.1654(2)
_cell_length_b                   23.4039(7)
_cell_length_c                   27.8440(7)
_cell_measurement_reflns_used    167281
_cell_measurement_temperature    150
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2.6
_cell_volume                     6573.2(3)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics
;  
ORTEP-II (Johnson 1976) in teXsan (MSC, 1992-1997) 
;
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.142
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            102994
_diffrn_reflns_theta_full        25.047
_diffrn_reflns_theta_max         25.047
_diffrn_reflns_theta_min         2.666
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.51
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2880
_exptl_crystal_size_max          0.450
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.030
_refine_diff_density_max         1.12
_refine_diff_density_min         -0.71
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0345
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     897
_refine_ls_number_reflns         11572
_refine_ls_number_restraints     3
_refine_ls_R_factor_all          0.1416
_refine_ls_R_factor_gt           0.0758
_refine_ls_shift/su_max          0.0016024
_refine_ls_shift/su_mean         0.0002804
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.05P)^2^ + 8.21P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1563
_refine_ls_wR_factor_gt          0.1311
_refine_ls_wR_factor_ref         0.1563
_reflns_limit_h_max              12
_reflns_limit_h_min              -12
_reflns_limit_k_max              27
_reflns_limit_k_min              0
_reflns_limit_l_max              33
_reflns_limit_l_min              0
_reflns_number_gt                6910
_reflns_number_total             11573
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.16
_oxford_diffrn_Wilson_scale      69.66
_oxford_refine_ls_r_factor_ref   0.1416
_oxford_refine_ls_scale          0.16773(8)
_oxford_reflns_number_all        11572
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_structure_analysis_title '9011153 she1126a'
_cod_data_source_file            jo5b02583_si_001.cif
_cod_data_source_block           compound_36
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_Hall     '-P 2yn '
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_database_code               4031875
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, C(1,U'S) UNTIL C(233) 
CONT C(233,OCC) C(234,U[ISO],OCC) 
EQUIV C(233,OCC) C(234,OCC) 
WEIGHT -1 C(234,OCC) 
RIDE C   (   4,X'S) H   (  41,X'S) 
RIDE C   (   5,X'S) H   (  51,X'S) 
RIDE C   (   6,X'S) H   (  61,X'S) 
RIDE C   (   7,X'S) H   (  71,X'S) 
RIDE C   (  11,X'S) H   ( 111,X'S) 
RIDE C   (  12,X'S) H   ( 121,X'S) H   ( 122,X'S) 
RIDE C   (  15,X'S) H   ( 151,X'S) H   ( 152,X'S) 
RIDE C   (  16,X'S) H   ( 161,X'S) 
RIDE C   (  20,X'S) H   ( 201,X'S) 
RIDE C   (  21,X'S) H   ( 211,X'S) H   ( 212,X'S) 
RIDE C   (  22,X'S) H   ( 221,X'S) 
RIDE C   (  23,X'S) H   ( 231,X'S) 
RIDE C   (  25,X'S) H   ( 251,X'S) H   ( 252,X'S) H   ( 253,X'S) 
RIDE C   (  28,X'S) H   ( 281,X'S) H   ( 282,X'S) H   ( 283,X'S) 
RIDE C   (  31,X'S) H   ( 311,X'S) H   ( 312,X'S) H   ( 313,X'S) 
RIDE C   (  33,X'S) H   ( 331,X'S) H   ( 332,X'S) H   ( 333,X'S) 
RIDE C   ( 104,X'S) H   (1041,X'S) 
RIDE C   ( 105,X'S) H   (1051,X'S) 
RIDE C   ( 106,X'S) H   (1061,X'S) 
RIDE C   ( 107,X'S) H   (1071,X'S) 
RIDE C   ( 111,X'S) H   (1111,X'S) 
RIDE C   ( 112,X'S) H   (1121,X'S) H   (1122,X'S) 
RIDE C   ( 115,X'S) H   (1151,X'S) H   (1152,X'S) 
RIDE C   ( 116,X'S) H   (1161,X'S) 
RIDE C   ( 120,X'S) H   (1201,X'S) 
RIDE C   ( 121,X'S) H   (1211,X'S) H   (1212,X'S) 
RIDE C   ( 122,X'S) H   (1221,X'S) 
RIDE C   ( 123,X'S) H   (1231,X'S) 
RIDE C   ( 125,X'S) H   (1251,X'S) H   (1252,X'S) H   (1253,X'S) 
RIDE C   ( 128,X'S) H   (1281,X'S) H   (1282,X'S) H   (1283,X'S) 
RIDE C   ( 131,X'S) H   (1311,X'S) H   (1312,X'S) H   (1313,X'S) 
RIDE C   ( 133,X'S) H   (1331,X'S) H   (1332,X'S) H   (1333,X'S) 
RIDE C   ( 204,X'S) H   (2041,X'S) 
RIDE C   ( 205,X'S) H   (2051,X'S) 
RIDE C   ( 206,X'S) H   (2061,X'S) H(2062,X'S) 
RIDE C   ( 207,X'S) H   (2071,X'S) 
RIDE C   ( 211,X'S) H   (2111,X'S) 
RIDE C   ( 212,X'S) H   (2121,X'S) H   (2122,X'S) 
RIDE C   ( 215,X'S) H   (2151,X'S) H   (2152,X'S) 
RIDE C   ( 216,X'S) H   (2161,X'S) 
RIDE C   ( 220,X'S) H   (2201,X'S) 
RIDE C   ( 221,X'S) H   (2211,X'S) H   (2212,X'S) 
RIDE C   ( 222,X'S) H   (2221,X'S) 
RIDE C   ( 223,X'S) H   (2231,X'S) 
RIDE C   ( 225,X'S) H   (2251,X'S) H   (2252,X'S) H   (2253,X'S) 
RIDE C   ( 228,X'S) H   (2281,X'S) H   (2282,X'S) H   (2283,X'S) 
RIDE C   ( 231,X'S) H   (2311,X'S) H   (2312,X'S) H   (2313,X'S) 
RIDE C   ( 233,X'S) H   (2331,X'S) H   (2332,X'S) H   (2333,X'S) 
RIDE C(234,X'S) H(2341,X'S) H(2342,X'S) H(2343,X'S) 
END                                                                             
;
_iucr_refine_instruction_details_restraints
;
DIST 1.54, .02 = C(221) TO C(234) 
ANGLE 0.0, 2. = MEAN C(234) TO C(221) TO C(220), C(234) TO C(221) TO C(222) 
NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
;