Facial selectivity in the 4 + 2 reactions of a diene derived from carvone
Morrison, Christopher F.; Vaters, Jamie P.; Miller, David O.; Burnell, D. Jean; Organic & Biomolecular Chemistry 4 (2006) 1160–; doi:10.1039/b516675f

data_7150425
_publ_section_title
;
 Facial selectivity in the 4 + 2 reactions of a diene derived from
 carvone
;
_journal_issue                   6
_journal_name_full               'Organic &amp;  Biomolecular Chemistry'
_journal_page_first              1160
_journal_paper_doi               10.1039/b516675f
_journal_volume                  4
_journal_year                    2006
_chemical_formula_moiety         'C22 H28 N4 O Si '
_chemical_formula_sum            'C22 H28 N4 O Si'
_chemical_formula_weight         392.57
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_symmetry_cell_setting           orthorhombic
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_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
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;
?
;
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_cell_length_b                   17.514(1)
_cell_length_c                   7.601(2)
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_cell_measurement_theta_max      30.0
_cell_measurement_theta_min      27.9
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;
SIR92 (Altomare, et. al. 1994)
;
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_diffrn_measurement_method       \w-2\q
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_diffrn_orient_matrix_UB_33      0.10110
_diffrn_radiation_detector       'scintillation counter'
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_diffrn_reflns_theta_min         2.53
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;
\y scans (North,Phillips & Matthews, 1968)
;
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_exptl_crystal_size_mid          0.35
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_refine_diff_density_max         0.12
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_refine_ls_extinction_coef       0.0000181(2)
_refine_ls_extinction_expression 'equ(3) Acta Cryst.(1968) A24, p213.'
_refine_ls_extinction_method     'Zachariasen (1967)'
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_refine_ls_goodness_of_fit_ref   2.630
_refine_ls_hydrogen_treatment    noref
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_refine_ls_R_factor_gt           0.0390
_refine_ls_shift/su_max          0.0000
_refine_ls_shift/su_mean         0.0000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[\s^2^(Fo) + 0.00002|Fo|^2^]'
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_all         0.0430
_refine_ls_wR_factor_ref         0.0420
_reflns_number_gt                1841
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_reflns_threshold_expression     I>2.00\s(I)
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_cod_original_cell_volume        2328.0(5)
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_original_formula_sum        'C22 H28 N4 O Si '
_cod_database_code               7150425