Rearrangement of bis(alkylidynyl)phosphines to phospha-acyls.
Colebatch, Annie L.; Han, Yong-Shen; Hill, Anthony F.; Sharma, Manab; Shang, Rong; Ward, Jas S.; Chemical communications (Cambridge, England) 53 (2017) 1832–1835; doi:10.1039/c6cc09764b

data_7119239
_publ_section_title
;
 Rearrangement of bis(alkylidynyl)phosphines to phospha-acyls.
;
_journal_issue                   11
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1832
_journal_page_last               1835
_journal_paper_doi               10.1039/c6cc09764b
_journal_volume                  53
_journal_year                    2017
_chemical_compound_source        'Research School of Chemistry'
_chemical_formula_moiety         'C36 H44 B2 Cl1 N12 O4 P1 W2, 2(C1 H2 Cl2)'
_chemical_formula_sum            'C38 H48 B2 Cl5 N12 O4 P W2'
_chemical_formula_weight         1334.44
_chemical_properties_physical    'Air-sensitive, Moisture-sensitive'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_update_record
;
2015-09-10 deposited with the CCDC.
2016-12-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.4551(14)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   22.1833(6)
_cell_length_b                   10.5501(3)
_cell_length_c                   23.1940(4)
_cell_measurement_reflns_used    9219
_cell_measurement_temperature    200
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2.55
_cell_volume                     4941.2(2)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'Ortep-3 for windows (Farrugia, 1997)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      200
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.000
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            8702
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         2.618
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.006
_exptl_absorpt_correction_T_max  0.82
_exptl_absorpt_correction_T_min  0.75
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.794
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2600
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: DCM/pentane'
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.040
_refine_diff_density_max         2.75
_refine_diff_density_min         -3.78
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0583
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     576
_refine_ls_number_reflns         8662
_refine_ls_number_restraints     170
_refine_ls_R_factor_all          0.1150
_refine_ls_R_factor_gt           0.0964
_refine_ls_shift/su_max          0.0049398
_refine_ls_shift/su_mean         0.0004225
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 9.45 12.4 5.95 1.52 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.2416
_refine_ls_wR_factor_gt          0.2367
_refine_ls_wR_factor_ref         0.2416
_reflns_limit_h_max              24
_reflns_limit_h_min              -26
_reflns_limit_k_max              12
_reflns_limit_k_min              -12
_reflns_limit_l_max              27
_reflns_limit_l_min              -27
_reflns_number_gt                6928
_reflns_number_total             8702
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   3.01
_oxford_diffrn_Wilson_scale      354.66
_oxford_refine_ls_r_factor_ref   0.1150
_oxford_refine_ls_scale          0.06064(2)
_oxford_reflns_number_all        8662
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_cod_data_source_file            c6cc09764b2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'Direct' changed to 'direct'
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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7119239--7119242.cif.
;
_cod_original_sg_symbol_H-M      'P 1 21/c 1 '
_cod_original_formula_sum        'C38 H48 B2 Cl5 N12 O4 P1 W2'
_cod_database_code               7119239
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S 
SUMFIX ELEMENT SCALES 
RIDE B   (   1,X'S) H   (   1,X'S) 
RIDE B   (   2,X'S) H   (   2,X'S) 
RIDE C   (  12,X'S) H   ( 121,X'S) 
RIDE C   (  14,X'S) H   ( 141,X'S) H   ( 142,X'S) H   ( 143,X'S) 
RIDE C   (  15,X'S) H   ( 151,X'S) H   ( 152,X'S) H   ( 153,X'S) 
RIDE C   (  22,X'S) H   ( 221,X'S) 
RIDE C   (  24,X'S) H   ( 241,X'S) H   ( 242,X'S) H   ( 243,X'S) 
RIDE C   (  25,X'S) H   ( 251,X'S) H   ( 252,X'S) H   ( 253,X'S) 
RIDE C   (  32,X'S) H   ( 321,X'S) 
RIDE C   (  34,X'S) H   ( 341,X'S) H   ( 342,X'S) H   ( 343,X'S) 
RIDE C   (  35,X'S) H   ( 351,X'S) H   ( 352,X'S) H   ( 353,X'S) 
RIDE C   (  42,X'S) H   ( 421,X'S) 
RIDE C   (  44,X'S) H   ( 441,X'S) H   ( 442,X'S) H   ( 443,X'S) 
RIDE C   (  45,X'S) H   ( 451,X'S) H   ( 452,X'S) H   ( 453,X'S) 
RIDE C   (  52,X'S) H   ( 521,X'S) 
RIDE C   (  54,X'S) H   ( 541,X'S) H   ( 542,X'S) H   ( 543,X'S) 
RIDE C   (  55,X'S) H   ( 551,X'S) H   ( 552,X'S) H   ( 553,X'S) 
RIDE C   (  62,X'S) H   ( 621,X'S) 
RIDE C   (  64,X'S) H   ( 641,X'S) H   ( 642,X'S) H   ( 643,X'S) 
RIDE C   (  65,X'S) H   ( 651,X'S) H   ( 652,X'S) H   ( 653,X'S) 
RIDE C   ( 101,X'S) H   (1011,X'S) H   (1012,X'S) 
RIDE C   ( 201,X'S) H   (2011,X'S) H   (2012,X'S) 
REM 
FIX C(21,U[23]) 
FIX C(21,U[12]) 
REM FIX C(21,U[22]) 
REM FIX C(21,U[11]) 
END                                                                             
;
_iucr_refine_instruction_details_restraints
;
REM 
U(IJ) 0.0, 0.02 = B(1) TO N(12) 
U(IJ) 0.0, 0.02 = B(1) TO N(22) 
U(IJ) 0.0, 0.02 = B(1) TO N(32) 
U(IJ) 0.0, 0.01 = C(21) TO N(21) 
U(IJ) 0.0, 0.01 = C(21) TO C(22) 
U(IJ) 0.0, 0.02 = C(15) TO C(13) 
U(IJ) 0.0, 0.02 = C(32) TO C(33) 
U(IJ) 0.0, 0.001 = N(51) TO N(52) 
U(IJ) 0.0, 0.01 = C(51) TO C(52) 
REM 
REM NO H   NO #H U MULT DIST 
REM C-H 
REM >4           1.5    .96 DISORDER 
REM 1      1     1.2    .93 C C-H (ACETYLENE) 
REM 1      2     1.2    .93 C-C(H)-C 
REM 1      3     1.2    .98 (C)3-C-H 
REM 2      1     1.2    .93 C=C-H(2) 
REM 2      2     1.2    .97 (C)2-C-(H)2 
REM 3      1     1.5    .96 C-C-(H)3 
REM N-H 
REM >4           1.5    .89 DISORDER 
REM 1      1     1.2    .86 N-N/H 
REM 1      2     1.2    .86 (C)2-N-H 
REM 1      3     1.2    .89 (C)3-N-H 
REM 2      1     1.2    .86 C-N-(H)2 
REM 2      2     1.2    .89 (C)2-N-(H)2 
REM 3      1     1.2    .89 C-H-(H)3 
REM O-H 
REM 1      1     1.5    .82 O-H 
REM 
REM DIST      ESD = 0.02 
REM VIB       ESD = 0.002 
REM ANGLE     ESD = 2.0 
REM            1 H ON SP 2 
DIST 0.93, 0.02 = 
CONT C ( 12) TO H(121) 
REST 0.096, 0.002 = H(121,U[ISO]) 
ANGLE 0.0, 2.0 = MEAN 
CONT H(121) TO C ( 12) TO C(11) 
CONT H(121) TO C ( 12) TO C(13) 
PLANAR C ( 12) C(11) C(13) H(121) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 14) TO H(141) 
CONT C ( 14) TO H(142) 
CONT C ( 14) TO H(143) 
REST 0.129, 0.002 = H(141,U[ISO]) 
REST 0.129, 0.002 = H(142,U[ISO]) 
REST 0.129, 0.002 = H(143,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(11) TO C ( 14) TO H(141) 
CONT C(11) TO C ( 14) TO H(142) 
CONT C(11) TO C ( 14) TO H(143) 
ANGLE 0.0, 2.0 = MEAN H(141) TO C ( 14) TO H(142) 
CONT H(141) TO C ( 14) TO H(143) 
CONT H(142) TO C ( 14) TO H(143) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 15) TO H(151) 
CONT C ( 15) TO H(152) 
CONT C ( 15) TO H(153) 
REST 0.207, 0.002 = H(151,U[ISO]) 
REST 0.207, 0.002 = H(152,U[ISO]) 
REST 0.207, 0.002 = H(153,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(13) TO C ( 15) TO H(151) 
CONT C(13) TO C ( 15) TO H(152) 
CONT C(13) TO C ( 15) TO H(153) 
ANGLE 0.0, 2.0 = MEAN H(151) TO C ( 15) TO H(152) 
CONT H(151) TO C ( 15) TO H(153) 
CONT H(152) TO C ( 15) TO H(153) 
REM            1 H ON SP 2 
DIST 0.93, 0.02 = 
CONT C ( 22) TO H(221) 
REST 0.051, 0.002 = H(221,U[ISO]) 
ANGLE 0.0, 2.0 = MEAN 
CONT H(221) TO C ( 22) TO C(21) 
CONT H(221) TO C ( 22) TO C(23) 
PLANAR C ( 22) C(21) C(23) H(221) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 24) TO H(241) 
CONT C ( 24) TO H(242) 
CONT C ( 24) TO H(243) 
REST 0.068, 0.002 = H(241,U[ISO]) 
REST 0.068, 0.002 = H(242,U[ISO]) 
REST 0.068, 0.002 = H(243,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(21) TO C ( 24) TO H(241) 
CONT C(21) TO C ( 24) TO H(242) 
CONT C(21) TO C ( 24) TO H(243) 
ANGLE 0.0, 2.0 = MEAN H(241) TO C ( 24) TO H(242) 
CONT H(241) TO C ( 24) TO H(243) 
CONT H(242) TO C ( 24) TO H(243) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 25) TO H(251) 
CONT C ( 25) TO H(252) 
CONT C ( 25) TO H(253) 
REST 0.083, 0.002 = H(251,U[ISO]) 
REST 0.083, 0.002 = H(252,U[ISO]) 
REST 0.083, 0.002 = H(253,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(23) TO C ( 25) TO H(251) 
CONT C(23) TO C ( 25) TO H(252) 
CONT C(23) TO C ( 25) TO H(253) 
ANGLE 0.0, 2.0 = MEAN H(251) TO C ( 25) TO H(252) 
CONT H(251) TO C ( 25) TO H(253) 
CONT H(252) TO C ( 25) TO H(253) 
REM            1 H ON SP 2 
DIST 0.93, 0.02 = 
CONT C ( 32) TO H(321) 
REST 0.090, 0.002 = H(321,U[ISO]) 
ANGLE 0.0, 2.0 = MEAN 
CONT H(321) TO C ( 32) TO C(31) 
CONT H(321) TO C ( 32) TO C(33) 
PLANAR C ( 32) C(31) C(33) H(321) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 34) TO H(341) 
CONT C ( 34) TO H(342) 
CONT C ( 34) TO H(343) 
REST 0.096, 0.002 = H(341,U[ISO]) 
REST 0.096, 0.002 = H(342,U[ISO]) 
REST 0.096, 0.002 = H(343,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(31) TO C ( 34) TO H(341) 
CONT C(31) TO C ( 34) TO H(342) 
CONT C(31) TO C ( 34) TO H(343) 
ANGLE 0.0, 2.0 = MEAN H(341) TO C ( 34) TO H(342) 
CONT H(341) TO C ( 34) TO H(343) 
CONT H(342) TO C ( 34) TO H(343) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 35) TO H(351) 
CONT C ( 35) TO H(352) 
CONT C ( 35) TO H(353) 
REST 0.125, 0.002 = H(351,U[ISO]) 
REST 0.125, 0.002 = H(352,U[ISO]) 
REST 0.125, 0.002 = H(353,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(33) TO C ( 35) TO H(351) 
CONT C(33) TO C ( 35) TO H(352) 
CONT C(33) TO C ( 35) TO H(353) 
ANGLE 0.0, 2.0 = MEAN H(351) TO C ( 35) TO H(352) 
CONT H(351) TO C ( 35) TO H(353) 
CONT H(352) TO C ( 35) TO H(353) 
REM            1 H ON SP 2 
DIST 0.93, 0.02 = 
CONT C ( 42) TO H(421) 
REST 0.063, 0.002 = H(421,U[ISO]) 
ANGLE 0.0, 2.0 = MEAN 
CONT H(421) TO C ( 42) TO C(41) 
CONT H(421) TO C ( 42) TO C(43) 
PLANAR C ( 42) C(41) C(43) H(421) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 44) TO H(441) 
CONT C ( 44) TO H(442) 
CONT C ( 44) TO H(443) 
REST 0.118, 0.002 = H(441,U[ISO]) 
REST 0.118, 0.002 = H(442,U[ISO]) 
REST 0.118, 0.002 = H(443,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(41) TO C ( 44) TO H(441) 
CONT C(41) TO C ( 44) TO H(442) 
CONT C(41) TO C ( 44) TO H(443) 
ANGLE 0.0, 2.0 = MEAN H(441) TO C ( 44) TO H(442) 
CONT H(441) TO C ( 44) TO H(443) 
CONT H(442) TO C ( 44) TO H(443) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 45) TO H(451) 
CONT C ( 45) TO H(452) 
CONT C ( 45) TO H(453) 
REST 0.123, 0.002 = H(451,U[ISO]) 
REST 0.123, 0.002 = H(452,U[ISO]) 
REST 0.123, 0.002 = H(453,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(43) TO C ( 45) TO H(451) 
CONT C(43) TO C ( 45) TO H(452) 
CONT C(43) TO C ( 45) TO H(453) 
ANGLE 0.0, 2.0 = MEAN H(451) TO C ( 45) TO H(452) 
CONT H(451) TO C ( 45) TO H(453) 
CONT H(452) TO C ( 45) TO H(453) 
REM            1 H ON SP 2 
DIST 0.93, 0.02 = 
CONT C ( 52) TO H(521) 
REST 0.058, 0.002 = H(521,U[ISO]) 
ANGLE 0.0, 2.0 = MEAN 
CONT H(521) TO C ( 52) TO C(51) 
CONT H(521) TO C ( 52) TO C(53) 
PLANAR C ( 52) C(51) C(53) H(521) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 54) TO H(541) 
CONT C ( 54) TO H(542) 
CONT C ( 54) TO H(543) 
REST 0.072, 0.002 = H(541,U[ISO]) 
REST 0.072, 0.002 = H(542,U[ISO]) 
REST 0.072, 0.002 = H(543,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(51) TO C ( 54) TO H(541) 
CONT C(51) TO C ( 54) TO H(542) 
CONT C(51) TO C ( 54) TO H(543) 
ANGLE 0.0, 2.0 = MEAN H(541) TO C ( 54) TO H(542) 
CONT H(541) TO C ( 54) TO H(543) 
CONT H(542) TO C ( 54) TO H(543) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 55) TO H(551) 
CONT C ( 55) TO H(552) 
CONT C ( 55) TO H(553) 
REST 0.072, 0.002 = H(551,U[ISO]) 
REST 0.072, 0.002 = H(552,U[ISO]) 
REST 0.072, 0.002 = H(553,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(53) TO C ( 55) TO H(551) 
CONT C(53) TO C ( 55) TO H(552) 
CONT C(53) TO C ( 55) TO H(553) 
ANGLE 0.0, 2.0 = MEAN H(551) TO C ( 55) TO H(552) 
CONT H(551) TO C ( 55) TO H(553) 
CONT H(552) TO C ( 55) TO H(553) 
REM            1 H ON SP 2 
DIST 0.93, 0.02 = 
CONT C ( 62) TO H(621) 
REST 0.063, 0.002 = H(621,U[ISO]) 
ANGLE 0.0, 2.0 = MEAN 
CONT H(621) TO C ( 62) TO C(61) 
CONT H(621) TO C ( 62) TO C(63) 
PLANAR C ( 62) C(61) C(63) H(621) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 64) TO H(641) 
CONT C ( 64) TO H(642) 
CONT C ( 64) TO H(643) 
REST 0.072, 0.002 = H(641,U[ISO]) 
REST 0.072, 0.002 = H(642,U[ISO]) 
REST 0.072, 0.002 = H(643,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(61) TO C ( 64) TO H(641) 
CONT C(61) TO C ( 64) TO H(642) 
CONT C(61) TO C ( 64) TO H(643) 
ANGLE 0.0, 2.0 = MEAN H(641) TO C ( 64) TO H(642) 
CONT H(641) TO C ( 64) TO H(643) 
CONT H(642) TO C ( 64) TO H(643) 
REM            3 H ON SP 3 
DIST 0.96, 0.02 = 
CONT C ( 65) TO H(651) 
CONT C ( 65) TO H(652) 
CONT C ( 65) TO H(653) 
REST 0.119, 0.002 = H(651,U[ISO]) 
REST 0.119, 0.002 = H(652,U[ISO]) 
REST 0.119, 0.002 = H(653,U[ISO]) 
ANGLE 109.54, 2.0 = 
CONT C(63) TO C ( 65) TO H(651) 
CONT C(63) TO C ( 65) TO H(652) 
CONT C(63) TO C ( 65) TO H(653) 
ANGLE 0.0, 2.0 = MEAN H(651) TO C ( 65) TO H(652) 
CONT H(651) TO C ( 65) TO H(653) 
CONT H(652) TO C ( 65) TO H(653) 
REM            2 H ON SP 3 
DIST 0.97, 0.02 = 
CONT C ( 101) TO H(1011) 
CONT C ( 101) TO H(1012) 
REST 0.121, 0.002 = H(1011,U[ISO]) 
REST 0.121, 0.002 = H(1012,U[ISO]) 
ANGLE 0.0, 2.0 = MEAN 
CONT H(1011) TO C ( 101) TO CL(3) 
CONT H(1011) TO C ( 101) TO CL(2) 
CONT H(1012) TO C ( 101) TO CL(3) 
CONT H(1012) TO C ( 101) TO CL(2) 
ANGLE 109.54, 2.0 = 
CONT H(1011) TO C ( 101) TO H(1012) 
REM            2 H ON SP 3 
DIST 0.97, 0.02 = 
CONT C ( 201) TO H(2011) 
CONT C ( 201) TO H(2012) 
REST 0.143, 0.002 = H(2011,U[ISO]) 
REST 0.143, 0.002 = H(2012,U[ISO]) 
ANGLE 0.0, 2.0 = MEAN 
CONT H(2011) TO C ( 201) TO CL(4) 
CONT H(2011) TO C ( 201) TO CL(5) 
CONT H(2012) TO C ( 201) TO CL(4) 
CONT H(2012) TO C ( 201) TO CL(5) 
ANGLE 109.54, 2.0 = 
CONT H(2011) TO C ( 201) TO H(2012) 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
;