Reactivity of 2-acylaminoacrylates with ketene diethyl acetal; [2 + 2] cycloadditions vs. tandem condensations
Avenoza, Alberto; Busto, Jesús H.; Canal, Noelia; Peregrina, Jesús M.; Chemical Communications (Cambridge, United Kingdom)  (2003) 1376–1377; doi:10.1039/b302000b

data_7103702
_publ_section_title
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 Reactivity of 2-acylaminoacrylates with ketene diethyl acetal;
 [2 + 2] cycloadditions vs. tandem condensations
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   12
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              1376
_journal_page_last               1377
_journal_paper_doi               10.1039/b302000b
_journal_year                    2003
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
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_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       KappaCCD
_computing_data_reduction
'Denzo and Scalepak (Otwinowski & Minor, 1997)'
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_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  KappaCCD
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_diffrn_reflns_limit_l_min       -22
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_diffrn_reflns_theta_full        21.02
_diffrn_reflns_theta_max         21.02
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
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_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       Prism
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0515P)^2^+1.0631P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_data_source_file            b302000b.txt
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_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_formula_sum        'C12 H21 N1 O5'
_cod_database_code               7103702