Synthesis of α-chloro-β-ketoesters <i>via</i> ytterbium(III) triflate-mediated decarboxylative Claisen-type condensation.
Shi, Yihao; Yoshikawa, Isao; Sakama, Akihiro; Kudo, Kazuaki; Organic & biomolecular chemistry 24 (2026) 2283–2289; doi:10.1039/d5ob01966d

data_7160962
_publ_section_title
;
 Synthesis of &#x3b1;-chloro-&#x3b2;-ketoesters <i>via</i> ytterbium(III)
 triflate-mediated decarboxylative Claisen-type condensation.
;
_journal_issue                   11
_journal_name_full               'Organic &amp; biomolecular chemistry'
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_journal_page_last               2289
_journal_paper_doi               10.1039/d5ob01966d
_journal_volume                  24
_journal_year                    2026
_chemical_formula_moiety         'C12 H13 Cl O3'
_chemical_formula_sum            'C12 H13 Cl O3'
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;
2025-11-13 deposited with the CCDC.	2026-02-11 downloaded from the CCDC.
;
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;
CrysAlisPro 1.171.40.84a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
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'Re-crystallisation from solvent: chloroform'
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0897P)^2^+3.7995P] where P=(Fo^2^+2Fc^2^)/3'
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_cod_depositor_comments          'Adding full bibliography for 7160962.cif.'
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_shelx_estimated_absorpt_t_min   0.476
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