【発明の名称】ステロイド17‐シアノヒドリン類のコルチコイド類への変換

Title:

【発明の名称】ステロイド17‐シアノヒドリン類のコルチコイド類への変換

Document Type and Number:

Japanese Patent JP2610674

Kind Code:

B2

Abstract:

PCT No. PCT/US88/02429 Sec. 371 Date Jan. 30, 1990 Sec. 102(e) Date Jan. 30, 1990 PCT Filed Jul. 22, 1988 PCT Pub. No. WO89/01483 PCT Pub. Date Feb. 23, 1989.The invention involves a two step chemical transformation of a steroidal 17-cyanohydrin (II) (II) to a 17 alpha -hydroxy-21-halo-20-keto steroid (IV) (IV) intermediate which can readily be converted to pharmaceutically useful corticoids.

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Inventors:

Raid, John Gi

Application Number:

JP50709688A

Publication Date:

May 14, 1997

Filing Date:

July 22, 1988

Export Citation:

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Assignee:

The Up John Company

International Classes:

C07J5/00; C07J3/00; C07J7/00; C07J51/00; C07J75/00; (IPC1-7): C07J5/00; C07J7/00

Attorney, Agent or Firm:

Aoyama Ryo (1 person outside)

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