摘要:
The invention relates to intermediate compounds having the general formula I ##STR1## in which R.sup.1 is H, an alkyl, arylalkyl or an aliphatic acyl radical, preferably a benzyl or acetyl group and wherein X and Y together span an additional bond between the X and Y carrying C atoms (Ia) or in which Y is OH and X is H (Ib) and in which the dotted line can represent an additional bond particularly [2R,1'Z,3'E,7'E]-6-benzyloxy-2,5,7,8-tetramethyl-2-(4',8',12'-trimethyl-trideca-1',3',7'-trien-1'-yl)chroman and 6-benzyloxy-2,5,7,8-tetramethyl-2-(1'-hydroxy-4',8',12'-trimethyl-trideca-3',7'-diene-1'-yl)chroman, as well as compounds and methods of preparing compounds having the general formula II ##STR2## in which Z is one of the groups ##STR3## wherein R.sup.2 is an alkyl group with 1 to 4 carbon atoms preferably CH.sub.3 or C.sub.2 H.sub.5, particularly (3,7,11-trimethyl-trideca-2,6,10-trien-1-yl)triphenylphosphonium chloride and (3,7,11-trimethyl-trideca-2,6,10-trien-1-yl) phosphoric acid dimethylester as well as methods for the preparation of (2R,4'RS,8'RS)-.alpha.-tocopherol and (all-rac)-.alpha.-tocopherol via the new intermediate product.
摘要:
The invention relates to intermediate compounds having the general formula I ##STR1## in which R.sup.1 is H, an alkyl, arylalkyl or an aliphatic acyl radical, preferably a benzyl or acetyl group and wherein X and Y together span an additional bond between the X and Y carrying C atoms (Ia) or in which Y is OH and X is H (Ib) and in which the dotted line can represent an additional bond particularly[2R,1'Z,3'E,7'E]-6-benzyloxy-2,5,7,8-tetramethyl-2-(4',8',12'-trimethyl-trideca-1',3',7'-trien-1'-yl)chroman and6-benzyloxy-2,5,7,8-tetramethyl-2-(1'-hydroxy-4',8',12'-trimethyl-trideca-3',7'-diene-1'-yl)chroman, as well as compounds and methods of preparing compounds having the general formula II ##STR2## in which Z is one of the groups ##STR3## wherein R.sup.2 is an alkyl group with 1 to 4 carbon atoms preferably CH.sub.3 or C.sub.2 H.sub.5particularly (3,7,11-trimethyl-trideca-2,6,10-trien-1-yl)triphenylphosphonium chloride and (3,7,11-trimethyl-trideca-2,6,10-trien-1-yl) phosphoric acid dimethylester as well as methods for the preparation of (2R,4'RS,8'Rs)-.alpha.-tocopherol and (all-rac)-.alpha.-tocopherol via the new intermediate product.
摘要:
Substituted hexatriene derivatives of the formula I ##STR1## where R.sup.1 has the meaning given in the description, and their preparation, are described. The compounds may be used to treat acne and psoriasis.
摘要:
Novel diarylacetylenes of the formula I ##STR1## where A, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings stated in the description, are useful for the treatment of disorders.
摘要:
Phenylethylene derivatives of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and A have the meanings given in the description, and their preparation.The novel compounds are useful for combating disorders.
摘要:
Vinylphenol derivatives of the formula I ##STR1## where A and R.sup.1 to R.sup.7 have the meanings stated in claim 1 and in the description, and their physiologically tolerated salts, drugs prepared from these, and their use for the treatment of various disorders of the skin, the mucous membranes and the internal organs, and of rheumatic disorders.
摘要:
Novel diarylacetylenes of the formula I ##STR1## where A, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings stated in the description, are useful for the treatment of disorders.
摘要:
A vinylbenzyl phosphate of the formula I ##STR1## where A, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 have the meanings stated in the description, and their preparation are described. The substances are useful for the treatment of disorders.
摘要:
Animal feeds and drinks containing small amounts of compounds of the formula Ia or Ib ##STR1## where R.sup.1 is hydrogen, low molecular weight alkyl or alkoxy, or halogen, R.sup.2 is hydrogen or low molecular weight alkyl and R.sup.3 and R.sup.4 are hydrogen or a low molecular weight aliphatic or araliphatic radical. The compounds of the formulae Ia and Ib promote growth without exerting an antibiotic action.
摘要:
5-Amino-tetrazole derivatives of retinoic acids and their physiologically tolerated salts, processes for their preparation and pharmaceutical formulations which contain these derivatives and salts and which may, in particular, be used in the treatment of dermatoses.