37.
    发明专利
    未知

    公开(公告)号:ES2136755T3

    公开(公告)日:1999-12-01

    申请号:ES95103319

    申请日:1995-03-08

    Applicant: HOECHST AG

    Abstract: A process is claimed for preparing peptide nucleic acid (PNA) oligomers of formula (I). Ro=H, 1-18C alkanoyl, 2-19C alkoxycarbonyl, 3-8C cycloalkanoyl (sic), 7-15C aroyl, 3-13C heteroaroyl or a gp. which enhances the intracellular uptake of the oligomer or interacts with a target nucleic acid during hybridisation; A and Q=amino acid residues; k and m=0-20; B=a nucleotide base, opt. in prodrug form; Qo=OH, NH2 or NHR''; R''=1-18C alkyl, 2-18C aminoalkyl or 2-18C hydroxyalkyl; n=1-50. The process comprises: (a) opt. coupling amino acids (Q') to a support of formula L-(Polymer) by solid-phase synthesis to give (Q')m-L-(Polymer), where L=a linking gp. contg. Qo in latent form and Q'=Q with optional side-chain protection; (b) coupling a cpd. of formula (II) to L-(Polymer) or (Q')m-L-(Polymer), where PG=a base-labile protecting gp. and B'=a nucleotide base with a protected exocyclic amino gp.; (c) removing PG; (d) repeating steps (b) and (c) n-1 times; (e) opt. coupling amino acids (A') to the prod. by solid-phase synthesis, where A'=A with optional side-chain protection, and introducing Ro if Ro is other than H; and (f) cleaving the PNA oligomer from the prod. of formula (III) and simultaneously or subsequently deprotecting B', A' and Q'. Also claimed are cpds. (II) and a process for preparing them.

    38.
    发明专利
    未知

    公开(公告)号:AT183197T

    公开(公告)日:1999-08-15

    申请号:AT93105336

    申请日:1993-03-31

    Applicant: HOECHST AG

    Abstract: Peptides of the formula I Z - P - A - B - C - E - F - K - (D)Q - G- M- F' - I (I), in which Z is optionally substituted (cyclo)alk(ano)yl(sulphonyl), (C1-C8)-alkoxycarbonyl, (hetero)ar(o)yl(sulphonyl), carbamoyl, P is a direct linkage or a radical II -NR -(U)-CO- (II> in which R is H, methyl or a urethane protective group, U is (cyclo)(aryl)alkylidene, (hetero)arylidene or (CHR )n, R is hydrogen, (cyclo)alkyl, (hetero)aryl, or in which R and R form, together with the atoms carrying them, a ring system; A is defined as P; B is a basic amino acid in the L or D configuration, C is a compound of the formula IIIa or IIIb G'-G'-Gly (IIIa> G'-NH-(CH2)p-CO (IIIb> in which p is 2 to 8 and G' are, independently of one another, a radical of the formula IV -NR -CHR -CO- (IV> in which R and R form, together with the atoms carrying them, a heterocyclic ring system; E is the residue of a neutral, acid or basic, aliphatic or alicyclic-aliphatic amino acid; F are, independently of one another, the radical of a neutral, acid or basic, aliphatic or aromatic amino acid, or a direct linkage; (D)Q is D-Tic, D-Phe, D-Dic, D-Thi or D-Nal, or a radical of the formula (V) in which X is O, S or a direct linkage, and R is H, (cyclo)alkyl or aryl(alkyl), G is defined as G' above or is a direct linkage; F' is defined as F, is a radical -NH-(CH2)q- with q = 2 to 8 or, if G is not a direct linkage, can be a direct linkage, and I is -OH, -NH2 or NHC2H5; K is the radical -NH-(CH2)x-CO- with x = 1-4 or is a direct linkage, and M is defined as F and their physiologically tolerated salts are described. They have excellent bradykinin-antagonistic action. They are obtained by reacting a fragment with a C-terminal free carboxyl group or its activated derivative with an appropriate fragment with an N-terminal free amino group, or by assembling the peptide stepwise, eliminating one or more protective groups temporarily introduced where appropriate to protect other functionalities in the compound obtained in this way, and converting the compounds of the formula I obtained in this way where appropriate into their physiologically tolerated salt.

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