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US4096142A Expired / Lapsed US ⏱️ 0.0 years remaining

14,19-Dioxygenated steroid compounds and their 14-dehydro analogs and process for the preparation thereof

Assignee: Steele Chemicals Co Ltd
•
Filing: 1976-08-30
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Granted: 1978-06-20
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Expires: 1996-08-30
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Abstract

Abstract There are provided novel 14,19-dioxygenated steroid compounds and their 14-dehydro analogs, as well as processes for preparing such compounds. The above compounds are useful as intermediates in the preparation of other steroids, which in turn, may be converted into valuable pharmaceutical agents.

Inventors

  • 👤 Gunther Kruger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 02:47
CPC Classifications
C; C07; C07J; C07J1/00; C07J17/00

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 66 words
A compound of the formula ##STR25## wherein R is o-pivalate or >-o-pivalate, R' is chosen from OH, O-acyl, and ═O, A-B is chosen from C(β-OH)-CH 2 ; C═CH; ##STR26## and C(β-OH)-CHBr; and Y is chosen from O-acyl, ═O, OH, H and O-tetrahydropyranyl ether, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, Δ8 (9) dehydro analogues thereof.
Claim 2
Dependent Claim 66 words
A compound of the formula ##STR25## wherein R is o-pivalate or >-o-pivalate, R' is chosen from OH, O-acyl, and ═O, A-B is chosen from C(β-OH)-CH 2 ; C═CH; ##STR26## and C(β-OH)-CHBr; and Y is chosen from O-acyl, ═O, OH, H and O-tetrahydropyranyl ether, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, Δ8 (9) dehydro analogues thereof.
Claim 3
Dependent Claim 59 words
A compound of the formula ##STR27## wherein R is OH or O-acyl, R' is chosen from OH and O-acyl, Y is chosen from OH, O-acyl, ═O and H, A-B is chosen from C(β-OH)CH 2 , C═CH and ##STR28## wherein acyl is formyl, acetyl, trimethyl acetal and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, Δ8 (9) dehydro anloagues thereof.
Claim 4
Dependent Claim 59 words
A compound of the formula ##STR27## wherein R is OH or O-acyl, R' is chosen from OH and O-acyl, Y is chosen from OH, O-acyl, ═O and H, A-B is chosen from C(β-OH)CH 2 , C═CH and ##STR28## wherein acyl is formyl, acetyl, trimethyl acetal and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, Δ8 (9) dehydro anloagues thereof.
Claim 5
Dependent Claim 45 words
A compound of the formula ##STR29## wherein R is >-OH or >-O-acyl, R' is OH or O-acyl, Y is OH, O-acyl, ═O, and H, A-B is C(β-OH)-CH 2 , ##STR30## C(β-OH)-CH 2 Br wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 6
Dependent Claim 45 words
A compound of the formula ##STR29## wherein R is >-OH or >-O-acyl, R' is OH or O-acyl, Y is OH, O-acyl, ═O, and H, A-B is C(β-OH)-CH 2 , ##STR30## C(β-OH)-CH 2 Br wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 7
Dependent Claim 33 words
A compound of the formula ##STR31## wherein R is ##STR32## R' is OH, Y is O-acyl, OH, H, A-B is C═CH, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 8
Dependent Claim 33 words
A compound of the formula ##STR31## wherein R is ##STR32## R' is OH, Y is O-acyl, OH, H, A-B is C═CH, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 9
Dependent Claim 41 words
A compound of the formula ##STR33## wherein R is >═O or >-OH, R' is OH or O-acyl, Y is H, OH, O-acyl, A-B is C═CH, C(β-OH)-CH 2 and ##STR34## wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 10
Dependent Claim 41 words
A compound of the formula ##STR33## wherein R is >═O or >-OH, R' is OH or O-acyl, Y is H, OH, O-acyl, A-B is C═CH, C(β-OH)-CH 2 and ##STR34## wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 11
Dependent Claim 31 words
A compound of the formula ##STR35## wherein R is COOH, R' is O-acyl, Y is H, A-B is C═CH, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 12
Dependent Claim 31 words
A compound of the formula ##STR35## wherein R is COOH, R' is O-acyl, Y is H, A-B is C═CH, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 13
Dependent Claim 11 words
A compound as defined in claim 1, wherein Y is H.
Claim 14
Dependent Claim 15 words
A compound as defined in claim 1, wherein R is O-pivalate and R' is O-acyl.
Claim 15
Dependent Claim 13 words
A compound as defined in claim 8, wherein A-B is C(β-OH)-CH 2 .
Claim 16
Dependent Claim 11 words
A compound as defined in claim 8, wherein Y is O-acyl.
Claim 17
Dependent Claim 18 words
A compound as defined in claim 1, wherein R is O-pivalate, R' is OH and A-B is C═CH.
Claim 18
Dependent Claim 18 words
A compound as defined in claim 1, wherein R is O-pivalate, R' is O-acyl and A-B is ##STR36##
Claim 19
Dependent Claim 16 words
A compound as defined in claim 1, wherein R' >-O-pivalate and A-B is C(β-OH)-CH 2 .
Claim 20
Dependent Claim 16 words
A compound as defined in claim 1, wherein R >-O-pivalate and R' and Y are O-acyl.
Claim 21
Dependent Claim 15 words
A compound as defined in claim 2, wherein R, R' and Y are each OH.
Claim 22
Dependent Claim 15 words
A compound as defined in claim 2, wherein R, R' and Y are each O-acyl.
Claim 23
Dependent Claim 387 words
A process of preparing a compound of the formula ##STR37## wherein R is chosen from O-pivalate, >-O-pivalate, OH, O-acyl, >-OH, >-O-acyl, ##STR38## and COOH, A-B is chosen from C(β-OH)-CH 2 , C═CH, ##STR39## and C(β-OH)-CHBr; R' is chosen from OH, O-acyl and ═0, Y is H, OH, O-acyl, ═O and O-tetrahydropryranyl ether, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, and Δ8(9) dehydro analogues thereof, which process is selected from the group connsisting of (a) treating a compound of the formula ##STR40## wherein R, R' and Y are as defined above, with an oxidising agent, to form a compound of the formula (III) ##STR41## wherein R, R' and Y are as defined above, and subjecting the latter compound to a rearrangement process under hydrogenation or acidic conditions to form a compound of the formula (I) wherein the latter compound contains a 7-double bond and a 14β-hydroxy group; (b) treating a compound of the formula ##STR42## wherein R is as defined above, with an epoxidizing agent to form a compound of the formula ##STR43## treating the latter with an acetylating agent to form a compound of the formula ##STR44## and treating the latter with an acid to form the following compound of formula I ##STR45## wherein R is as defined above; (c) reducing a compound of the formula ##STR46## wherein R and R' are as defined above to form a compound of the formula ##STR47## wherein R and R' are as defined above; (d) reducing a compound of the formula ##STR48## wherein R and Y are as defined above, to form a compound of the formula I, ##STR49## wherein R and Y are as defined above and R" is H or Ac; (e) subjecting a compound of the formula ##STR50## wherein R and Y are as defined above, to hydrogenolysis, to form a compound of the formula ##STR51## wherein R and Y are as defined above, hydrogenating the latter compound to form a compound of the formula ##STR52## treating the latter with an acid or acid halide to form a compound of the formula ##STR53## wherein R and Y are as defined above, and treating the latter with a reducing agent to form a compound of the formula I, ##STR54## wherein R and Y are as defined above.
Claim 24
Dependent Claim 387 words
A process of preparing a compound of the formula ##STR37## wherein R is chosen from O-pivalate, >-O-pivalate, OH, O-acyl, >-OH, >-O-acyl, ##STR38## and COOH, A-B is chosen from C(β-OH)-CH 2 , C═CH, ##STR39## and C(β-OH)-CHBr; R' is chosen from OH, O-acyl and ═0, Y is H, OH, O-acyl, ═O and O-tetrahydropryranyl ether, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, and Δ8(9) dehydro analogues thereof, which process is selected from the group connsisting of (a) treating a compound of the formula ##STR40## wherein R, R' and Y are as defined above, with an oxidising agent, to form a compound of the formula (III) ##STR41## wherein R, R' and Y are as defined above, and subjecting the latter compound to a rearrangement process under hydrogenation or acidic conditions to form a compound of the formula (I) wherein the latter compound contains a 7-double bond and a 14β-hydroxy group; (b) treating a compound of the formula ##STR42## wherein R is as defined above, with an epoxidizing agent to form a compound of the formula ##STR43## treating the latter with an acetylating agent to form a compound of the formula ##STR44## and treating the latter with an acid to form the following compound of formula I ##STR45## wherein R is as defined above; (c) reducing a compound of the formula ##STR46## wherein R and R' are as defined above to form a compound of the formula ##STR47## wherein R and R' are as defined above; (d) reducing a compound of the formula ##STR48## wherein R and Y are as defined above, to form a compound of the formula I, ##STR49## wherein R and Y are as defined above and R" is H or Ac; (e) subjecting a compound of the formula ##STR50## wherein R and Y are as defined above, to hydrogenolysis, to form a compound of the formula ##STR51## wherein R and Y are as defined above, hydrogenating the latter compound to form a compound of the formula ##STR52## treating the latter with an acid or acid halide to form a compound of the formula ##STR53## wherein R and Y are as defined above, and treating the latter with a reducing agent to form a compound of the formula I, ##STR54## wherein R and Y are as defined above.
Claim 25
Dependent Claim 50 words
A process as defined in claim 17, wherein said process comprises reducing a compound of the formula ##STR55## wherein R and Y are as defined above, to form a compound of the formula II ##STR56## wherein R and Y are as defined above the R" is H, formyl or acetyl.

References Cited (Backward Citations)

US3738984A Cited
US3753980A Cited
US3752807A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-06-19 1981-12-19 1982-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-06-19 1985-12-19 1986-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-06-19 1989-12-19 1990-06-20 $7700.00 Window Closed / Lapsed

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