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JP2003533533A5
JP2003533533A5 JP2001584289A JP2001584289A JP2003533533A5 JP 2003533533 A5 JP2003533533 A5 JP 2003533533A5 JP 2001584289 A JP2001584289 A JP 2001584289A JP 2001584289 A JP2001584289 A JP 2001584289A JP 2003533533 A5 JP2003533533 A5 JP 2003533533A5
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prot
lactone
compound
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JP2001584289A
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JP2003533533A (en
JP4942900B2 (en
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Priority claimed from PCT/GB2000/001852 external-priority patent/WO2000069862A2/en
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【特許請求の範囲】
【請求項1】 以下のスキーム:
【化1】

Figure 2003533533
[式中、ProtNHはアミノ保護基であり、ProtOHはヒドロキシ保護基である]
に従って、単一の工程で両者の保護基を除去することによって、式(A)の化合物を脱保護して式(35)のα-アミンラクトンを得る工程を含む、エクチナサイジン化合物の製造における方法工程。
【請求項2】 Prot NH がt-ブチルオキシカルボニルであり、Prot OH がメトキシメチルである、請求項1記載の方法。
【請求項3】 Prot NH がt-ブチルオキシカルボニルであり、Prot OH がメトキシエトキシメチルである、請求項1記載の方法。
【請求項4】 式(35)のα-アミンラクトンを、下式:
【化2】
Figure 2003533533
のアミノ基転移によって、式(36)の対応するα-ケトラクトンに酸化する更なる工程を含む、請求項1記載の方法。
【請求項5】 式(36)のα-ケトラクトンから、下式:
【化3】
Figure 2003533533
のPictet-Spengler反応によって、スピロテトラヒドロイソキノリン化合物Et770を立体特異的に形成する更なる工程を含む、請求項4記載の方法。
【請求項6】 下式:
【化4】
Figure 2003533533
のEt770のC-21でのニトリルのヒドロキシによる置換によりEt743を得る更なる工程を含む、請求項5に記載の方法。
【請求項7】 式(35)のα-アミンラクトンを、下式:
【化5】
Figure 2003533533
のアミノ基転移によって、式(36)の対応するα-ケトラクトンに酸化することによる、エクチナサイジン化合物の製造における方法工程。
【請求項8】 式(36)のα-ケトラクトンから、下式:
【化6】
Figure 2003533533
のPictet-Spengler反応によって、スピロテトラヒドロイソキノリン化合物Et770を立体特異的に形成する更なる工程を含む、請求項7記載の方法。
【請求項9】 下式:
【化7】
Figure 2003533533
のEt770のC-21でのニトリルのヒドロキシによる置換によりEt743を得る更なる工程を含む、請求項8に記載の方法。
【請求項10】 式(36)のα-ケトラクトンから、下式:
【化8】
Figure 2003533533
のPictet-Spengler反応によって、スピロテトラヒドロイソキノリン化合物Et770を立体特異的に形成することによる、エクチナサイジン化合物の製造における方法工程。
【請求項11】 下式:
【化9】
Figure 2003533533
のEt770のC-21でのニトリルのヒドロキシによる置換によりEt743を得る更なる工程を含む、請求項10に記載の方法。
【請求項12】 中間体が式(35):
【化10】
Figure 2003533533
である、エクチナサイジン化合物の合成のための中間体。
【請求項13】 中間体が式(36):
【化11】
Figure 2003533533
である、エクチナサイジン化合物の合成のための中間体。 [Claims]
    1. The following scheme:
Embedded image
Figure 2003533533
[Where ProtNHIs an amino protecting group, ProtOHIs a hydroxy protecting group]
Remove both protecting groups in a single step according toDeprotecting the compound of formula (A) to obtain an α-amine lactone of formula (35)Method steps in the production of an ectinacydin compound.
    (2) Prot NH Is t-butyloxycarbonyl, and Prot OH 2. The method of claim 1, wherein is methoxymethyl.
    (3) Prot NH Is t-butyloxycarbonyl, and Prot OH 2. The method of claim 1, wherein is methoxyethoxymethyl.
    (4) The α-amine lactone of the formula (35) is converted into the following formula:
Embedded image
Figure 2003533533
The process according to claim 1, comprising the further step of oxidizing to the corresponding α-keto lactone of formula (36) by transamination of
    (5) From α-keto lactone of equation (36),
Embedded image
Figure 2003533533
The method according to claim 4, further comprising a step of stereospecifically forming a spirotetrahydroisoquinoline compound Et770 by a Pictet-Spengler reaction of the above.
    6. The following formula:
Embedded image
Figure 2003533533
6. A process according to claim 5, comprising the further step of substituting the nitrile at C-21 of Et770 with hydroxy to give Et743.
    7. The α-amine lactone of the formula (35) is converted into the following formula:
Embedded image
Figure 2003533533
Process steps in the preparation of ectinacydin compounds by oxidation to the corresponding α-keto lactone of formula (36) by transamination of
    8. From α-keto lactone of equation (36),
Embedded image
Figure 2003533533
The method according to claim 7, further comprising a step of stereospecifically forming a spirotetrahydroisoquinoline compound Et770 by a Pictet-Spengler reaction of the above.
    9. The following formula:
Embedded image
Figure 2003533533
9. The method of claim 8, comprising the further step of substituting the nitrile at C-21 of Et770 with hydroxy to give Et743.
    10. From α-keto lactone of equation (36),
Embedded image
Figure 2003533533
A method step in the production of an ectinacydin compound by stereospecifically forming a spirotetrahydroisoquinoline compound Et770 by the Pictet-Spengler reaction.
    11. The following formula:
Embedded image
Figure 2003533533
11. The method of claim 10, comprising the further step of displacing the nitrile at C-21 of Et770 with hydroxy to give Et743.
    12. The intermediate is of formula (35):
Embedded image
Figure 2003533533
An intermediate for the synthesis of ectinacydin compounds.
    Claim 13 The intermediate is of formula (36):
Embedded image
Figure 2003533533
An intermediate for the synthesis of ectinacydin compounds.

JP2001584289A 2000-05-15 2001-05-15 Synthetic methods for the production of echinasaidin compounds Expired - Lifetime JP4942900B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/GB2000/001852 WO2000069862A2 (en) 1999-05-14 2000-05-15 Hemisynthetic method and intermediates thereof
GB00/01852 2000-05-15
GBPCT/GB00/01852 2000-05-15
PCT/GB2001/002120 WO2001087895A1 (en) 1999-05-14 2001-05-15 Synthetic process for the manufacture of an ecteinaschidin compound

Publications (3)

Publication Number Publication Date
JP2003533533A JP2003533533A (en) 2003-11-11
JP2003533533A5 true JP2003533533A5 (en) 2008-07-03
JP4942900B2 JP4942900B2 (en) 2012-05-30

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Application Number Title Priority Date Filing Date
JP2001584289A Expired - Lifetime JP4942900B2 (en) 2000-05-15 2001-05-15 Synthetic methods for the production of echinasaidin compounds

Country Status (3)

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JP (1) JP4942900B2 (en)
IL (1) IL152125A (en)
NZ (1) NZ521808A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5721362A (en) * 1996-09-18 1998-02-24 President And Fellows Of Harvard College Process for producing ecteinascidin compounds
MY130271A (en) * 1999-05-14 2007-06-29 Pharma Mar Sa Hemisynthetic method and new compounds

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