Takeda Chemical Industries, Inc.

Takeda Pharmaceutical Company Limited

Masahiro Kawase

Tsuneo Yasuma

Akira Mori

Albert Charles Gyorkos

Masato Yoshida

Hiroyuki Kimura

Christopher Peter Corrette

Scott Alan Pratt

Tsunehiko Fukuda

Iwao Yamazaki

Shizue Nakagawa

There is provided a calcium receptor modulator comprising a compound of the formula (I): wherein ring A is an optionally substituted 5- to 7-membered ring; ring B is an optionally substituted 5- to 7-membered heterocyclic ring; Xis CR, CRR, N or NR; Xis N or NR; Y is C, CRor N, Z is CR, CRR, N or NR; Ar is an optionally substituted cyclic group; R is H, an optionally substituted hydrocarbon group, etc.; andis a single bond or a double bond; R, R, R, R, R, R, Rand Rare independently H, an optionally substituted hydrocarbon group; or a salt thereof or a prodrug thereof. Compounds of the formula (II) and (III): wherein ring A is an optionally substituted 5- to 7-membered ring; Q is C, CRor N; R, R, R, Rand Rare independently, H, an optionally substituted hydrocarbon group, etc., or a salt thereof are also provided. Also specify X, R, R, Y and Xin formula (II) and (III) as before.

Substituted pyrazolo[1,5-A] pyrimidines as calcium receptor modulating agents

There is provided a calcium receptor modulator comprising a compound of the formula (I): wherein ring A is an optionally substituted 5- to 7-membered ring; ring B is an optionally substituted 5- to 7-membered heterocyclic ring; Xis CR, CRR, N or NR; Xis N or NR; Y is C, CRor N, Z is CR, CRR, N or NR; Ar is an optionally substituted cyclic group; R is H, an optionally substituted hydrocarbon group, etc.; and&#x2009;is a single bond or a double bond; R, R, R, R, R, R, Rand Rare independently H, an optionally substituted hydrocarbon group; or a salt thereof or a prodrug thereof. Compounds of the formula (II) and (III): wherein ring A is an optionally substituted 5- to 7-membered ring; Q is C, CRor N; R, R, R, Rand Rare independently, H, an optionally substituted hydrocarbon group, etc., or a salt thereof are also provided. Also specify X, R, R, Y and Xin formula (II) and (III) as before.

Substituted pyrazolo [1,5-A]pyrimidines as calcium receptor modulating agents

Chromone derivatives, process for the preparation of the same and uses thereof

Disclosed are peptides and salts thereof represented by general formul ##STR1## wherein R.sub.1 represents Ser or Aib; R.sub.2 represents Met or a naturally occurring hydrophobic amino acid; R.sub.3 represents Leu, Ser, Lys or an aromatic amino acid; R.sub.4 represents Gly or a D-.alpha.-amino acid; R.sub.5 represents Lys or Leu; R.sub.6 represents Met or a naturally occurring hydrophobic amino acid; R.sub.7 represents Glu or a basic amino acid; R.sub.8 represents Val or basic amino acid; R.sub.9 represents Trp or 2-(1,3-dithiolane-2-yl)Trp; R.sub.10 represents Arg or His; R.sub.11 represents Lys or His; R.sub.12 represents Lys, Gln or Leu; and R.sub.13 represents Phe or Phe-NH.sub.2 ; except that simultaneously R.sub.1 consists of Ser, R.sub.2 consists of Met, R.sub.3 consists of Leu, R.sub.4 consists of Gly, D-Ala or D-Pro, R.sub.5 consists of Lys, R.sub.6 consists of Met, R.sub.7 consists of Glu, R.sub.8 consists of Val, R.sub.9 consists of Trp, R.sub.10 consists of Arg, R.sub.11 consists of Lys and R.sub.12 consists of Lys. The parathyroid hormone (1-34) analogs are useful in hormone therapy.

Parathyroid hormone derivatives

Growing community of inventors

Hyogo, Japan

Masahiro Kawase