New 3,4-epoxy:sphingosine derivs. - for use in tumour and immune therapy and to influence circulation, also as intermediates for ceramide(s) and glycosphingolipid(s)

    公开(公告)号:DE4025316A1

    公开(公告)日:1992-02-13

    申请号:DE4025316

    申请日:1990-08-09

    Applicant: BASF AG

    Abstract: Epoxy-sphingosine derivs. of formula (I) are new:. In (I) X = N3 or NH2. (I) are prepd. by: (a) Gringard alkylation of 2,4-0-benzylidene-D------ (8); (b) sepn. of the prods. into diastensomers (Ia) and (1b); (c) conversion of the 3-hydroxyl gp. into an azide deriv. (3) via a reactive ester (2); (d) contension of the pure hydroxyl gp. into a reactive ester (4); (e) removal of the benzylidene protecting gp. under acid conditions to give (5a); (f) formation of (I; X=N3) under basic conditions; and (g) opt. conversion of (I; X=N3) to (I;X=NH2) with triphenylphosphine in the presence of water. R=C8-16 H17-33; Pg=protecting gp. USE - (I) are useful as modulators of intercellular communication and thus in control of differentiation and proliferation, esp. of malignant cells. They may also be used as modulators of immune reactions and as controllers of coagulation. (I) are also useful as intermediates in the prepn. of ceramides and glycosphingolipids. Admin. is oral, buccel, parenterel or topical. Systemic admin. is e.g. 1-100mg/kg/day.

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