Transition-Metal-Free, Brønsted Acid-Mediated Cascade Sequence in the Reaction of Propargyl Alcohols with Sulfonamido-indoles/-indolines: Highly Substituted δ- and α-Carbolines.
Selvaraj, Karuppu; Swamy, K. C. Kumara; The Journal of organic chemistry 83 (2018) 15043–15056; doi:10.1021/acs.joc.8b02293

data_4034719
_publ_section_title
;
 Transition-Metal-Free, Br\/onsted Acid-Mediated Cascade Sequence in the
 Reaction of Propargyl Alcohols with Sulfonamido-indoles/-indolines:
 Highly Substituted \d- and \a-Carbolines.
;
_journal_issue                   24
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              15043
_journal_page_last               15056
_journal_paper_doi               10.1021/acs.joc.8b02293
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C31 H22 N2'
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_cell_measurement_theta_max      24.95
_cell_measurement_theta_min      2.49
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_computing_publication_material  'Bruker SHELXTL'
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_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
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_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0391
_diffrn_reflns_av_unetI/netI     0.0228
_diffrn_reflns_Laue_measured_fraction_full 0.993
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_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
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_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.109
_diffrn_reflns_theta_max         25.109
_diffrn_reflns_theta_min         2.493
_exptl_absorpt_coefficient_mu    0.073
_exptl_crystal_colour            paleyellow
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_exptl_crystal_description       Needle
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_refine_ls_extinction_method     none
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.1783P)^2^+3.0373P] where P=(Fo^2^+2Fc^2^)/3'
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