Flow synthesis of ethyl isocyanoacetate enabling the telescoped synthesis of 1,2,4-triazoles and pyrrolo-[1,2-c]pyrimidines.
Baumann, Marcus; Rodriguez Garcia, Antonio M.; Baxendale, Ian R.; Organic & biomolecular chemistry 13 (2015) 4231–4239; doi:10.1039/c5ob00245a

data_7154352
_publ_section_title
;
 Flow synthesis of ethyl isocyanoacetate enabling the telescoped synthesis
 of 1,2,4-triazoles and pyrrolo-[1,2-c]pyrimidines.
;
_journal_issue                   14
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4231
_journal_page_last               4239
_journal_paper_doi               10.1039/c5ob00245a
_journal_volume                  13
_journal_year                    2015
_chemical_formula_moiety         'C10 H8 Cl N3 O4'
_chemical_formula_sum            'C10 H8 Cl N3 O4'
_chemical_formula_weight         269.64
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-10-08
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2014.09.19 svn.r3010 for OlexSys, GUI svn.r4874)
;
_audit_update_record
;
2014-12-15 deposited with the CCDC.
2015-02-26 downloaded from the CCDC.
;
_cell_angle_alpha                93.164(6)
_cell_angle_beta                 102.778(6)
_cell_angle_gamma                113.261(6)
_cell_formula_units_Z            2
_cell_length_a                   6.3391(12)
_cell_length_b                   7.7064(15)
_cell_length_c                   12.819(2)
_cell_measurement_reflns_used    3899
_cell_measurement_temperature    120.0
_cell_measurement_theta_max      31.42
_cell_measurement_theta_min      2.91
_cell_volume                     553.93(18)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v.2013.4_1 (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      120.0
_diffrn_detector                 'Bruker PHOTON 100 CMOS'
_diffrn_detector_type            'CMOS sensor'
_diffrn_measured_fraction_theta_full 0.912
_diffrn_measured_fraction_theta_max 0.912
_diffrn_measurement_device       'Bruker D8 Venture'
_diffrn_measurement_device_type  D8Venture
_diffrn_measurement_method       \w-scan
_diffrn_radiation_monochromator  'focusing mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0929
_diffrn_reflns_av_unetI/netI     0.0912
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9387
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         3.57
_diffrn_source                   'ImuS microsource'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.356
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6785
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1402 before and 0.1157 after correction.
The Ratio of minimum to maximum transmission is 0.6785.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.617
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             276
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.899
_refine_diff_density_min         -1.315
_refine_diff_density_rms         0.180
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2696
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.1213
_refine_ls_R_factor_gt           0.0889
_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^)+(0.1500P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2074
_refine_ls_wR_factor_ref         0.2298
_reflns_number_gt                1856
_reflns_number_total             2696
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ob00245a3.cif
_cod_data_source_block           192b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 3086 2015-02-26 13:12:21Z robertas 

 Adding full bibliography for 7154349--7154352.cif.
;
_cod_database_code               7154352
_computing.bruker_data_scaling   'SADABS V2012/1 (Bruker AXS Inc.)'
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C5(H5), C7(H7)
2.c Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C)
;