Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation

1. A compound of Formula II,

wherein

R is H or C 1 -C 6 alkyl;

R 1 is H, COOR, C 3 -C 8 cycloalkyl, or

C 1 -C 6 alkyl, C 2 -C 6 alkenyl, or C 1 -C 6 alkoxy each of which may be unsubstituted or substituted with fluoro, methylenedioxyphenyl, or phenyl which may be unsubstituted or substituted with R 6 ;

R 2 is H, halo, or C 1 -C 6 alkyl which may be unsubstituted or substituted with C 1 -C 6 alkoxy, oxo, fluoro, or

R 2 is phenyl, furyl, thienyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, triazolyl, oxadiazolyl, thiadiazolyl, tetrazolyl, pyridyl, pyrrolidinyl, piperidinyl, tetrahydropyranyl, tetrahydrothiopyranyl, piperazinyl, or morpholinyl,

each of which may be unsubstituted or substituted with R 6 ;

R 3 is H, C 1 -C 6 alkyl, or phenyl which may be unsubstituted or substituted with R 6 ;

R 4 is C 1 -C 6 alkyl or C 3 -C 8 cycloalkyl, either of which may be unsubstituted or substituted with fluoro, oxo, or C 1 -C 6 alkoxy which may be unsubstituted or substituted with C 1 -C 6 alkoxy, or phenyl optionally substituted with R 6 ,

or either of which may be substituted with phenyl, naphthyl, furyl, thienyl, pyrrolyl, tetrahydrofuryl, pyrrolidinyl, pyrrolinyl, tetrahydrothienyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, triazolyl, oxadiazolyl, thiadiazolyl, tetrazolyl, pyridyl, piperidinyl, tetrahydropyranyl, tetrahydrothiopyranyl, pyrimidinyl, pyrazinyl, pyridazinyl, piperazinyl, morpholinyl, benzofuryl, dihydrobenzofuryl, benzothienyl, dihydrobenzothienyl, indolyl, indolinyl, indazolyl, benzoxazolyl, benzothiazolyl, benzimidazolyl, benzisoxazolyl, benzisothiazolyl, benzodioxolyl, quinolyl, isoquinolyl, quinazolinyl, quinoxazolinyl, dihydrobenzopyranyl, dihydrobenzothiopyranyl, or 1,4-benzodioxanyl,

each of which may be unsubstituted or substituted with R 6 , or

C 1 -C 6 alkyl may also be substituted with C 3 -C 8 cycloalkyl or with phenoxy which may be unsubstituted or substituted with R 6 or with phenyl, naphthyl, furyl, thienyl, pyrrolyl, tetrahydrofuryl, pyrrolidinyl, pyrrolinyl, tetrahydrothienyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, triazolyl, oxadiazolyl, thiadiazolyl, tetrazolyl, pyridyl, piperidinyl, tetrahydropyranyl, tetrahydrothiopyranyl, pyrimidinyl, pyrazinyl, pyridazinyl, piperazinyl, morpholinyl, benzofuryl, dihydrobenzofuryl, benzothienyl, dihydrobenzothienyl, indolyl, indolinyl, indazolyl, benzoxazolyl, benxothiazolyl, benzimidazolyl, benzisoxazolyl, benzisothiazolyl, benzodioxolyl, quinolyl, isoquinolyl, quinazolinyl, quinoxazolinyl, dihydrobenzopyranyl, dihydrobenzothiopyranyl, or 1,4-benzodioxanyl,

each of which may be unsubstituted or substituted with R 6 , or

R 4 is phenyl, naphthyl, furyl, thienyl, pyrrolyl, tetrahydrofuryl, pyrrolidinyl, pyrrolinyl, tetrahydrothienyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, triazolyl, oxadiazolyl, thiadiazolyl, tetrazolyl, pyridyl, piperidinyl, tetrahydropyranyl, tetrahydrothiopyranyl, pyrimidinyl, pyrazinyl, pyridazinyl, piperazinyl, morpholinyl, benzofuryl, dihydrobenzofuryl, benzothienyl, dihydrobenzothienyl, indolyl, indolinyl, indazolyl, benzoxazolyl, benxothiazolyl, benzimidazolyl, benzisoxazolyl, benzisothiazolyl, benzodioxolyl, quinolyl, isoquinolyl, quinazolinyl, quinoxazolinyl, dihydrobenzopyranyl, dihydrobenzothiopyranyl, or 1,4-benzodioxanyl,

each of which may be unsubstituted or substituted with R 6 , or with phenyl, furyl, thienyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, triazolyl, oxadiazolyl, thiadiazolyl, tetrazolyl, pyridyl, pyrrolidinyl, piperidinyl, tetrahydropyranyl, tetrahydrothiopyranyl, piperazinyl, morpholinyl, benzodioxolyl, dihydrobenzofuranyl, indolyl, pyrimidinyl or phenoxy,

each of which may be unsubstituted or substituted with R 6 ;

R 5 is halo or C 1 -C 6 alkyl optionally substituted with oxo;

R 6 is halo, CF 3 , C 1 -C 6 alkyl optionally substituted with oxo or hydroxy, or

C 1 -C 6 alkoxy optionally substituted with fluoro;

R 7 is H, C 1 -C 6 alkyl optionally substituted with phenyl or oxo, C 1 -C 6 trialkylsilyl, arylalkylsilyl,

COR 8 , COOR 8 , or

X is O or S;

R 8 is C 1 -C 6 alkyl, or phenyl optionally substituted with C 1 -C 6 alkyl, halo, or nitro; and

the salts thereof.

2. A compound of Formula III,

wherein

R is H or C 1 -C 6 alkyl;

R 1 is H, COOR, C 3 -C 8 cycloalkyl, or

C 1 -C 6 alkyl, C 2 -C 6 alkenyl, or C 1 -C 6 alkoxy each of which may be unsubstituted or substituted with fluoro, methylenedioxyphenyl, or phenyl which may be unsubstituted or substituted with R 6 ;

R 2 is H, halo, or C 1 -C 6 alkyl which may be unsubstituted or substituted with C 1 -C 6 alkoxy, oxo, fluoro, or

R 2 is phenyl, furyl, thienyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, triazolyl, oxadiazolyl, thiadiazolyl, tetrazolyl, pyridyl, pyrrolidinyl, piperidinyl, tetrahydropyranyl, tetrahydrothiopyranyl, piperazinyl, or morpholinyl,

each of which may be unsubstituted or substituted with R 6 ;

R 5 is halo or C 1 -C 6 alkyl optionally substituted with oxo;

R 6 is halo, CF 3 , C 1 -C 6 alkyl optionally substituted with oxo or hydroxy, or

C 1 -C 6 alkoxy optionally substituted with fluoro;

R 7 is H, C 1 -C 6 alkyl optionally substituted with phenyl or oxo, C 1 -C 6 trialkylsilyl, arylalkylsilyl, or COR 8 , COOR 8 ;

R 8 is C 1 -C 6 alkyl, or phenyl optionally substituted with C 1 -C 6 alkyl, halo, or nitro; and

the salts thereof.