Minor and trace sterols in marine invertebrates. 19. Isolation, structure elucidation, and partial synthesis of 24-methylene-25-ethylcholesterol (mutasterol): first example of sterol side-chain bioalkylation at position 25

Lian Niang Li; Ulf Sjoestrand; Carl Djerassi

doi:10.1021/ja00391a022

Minor and trace sterols in marine invertebrates. 19. Isolation, structure elucidation, and partial synthesis of 24-methylene-25-ethylcholesterol (mutasterol): first example of sterol side-chain bioalkylation at position 25

Journal of the American Chemical Society ◽

10.1021/ja00391a022 ◽

1981 ◽

Vol 103 (1) ◽

pp. 115-119 ◽

Cited By ~ 21

Author(s):

Lian Niang Li ◽

Ulf Sjoestrand ◽

Carl Djerassi

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Side Chain ◽

Partial Synthesis

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ChemInform Abstract: STEROLS OF MARINE INVERTEBRATES. 44. ISOLATION, STRUCTURE ELUCIDATION, PARTIAL SYNTHESIS, AND DETERMINATION OF ABSOLUTE CONFIGURATION OF PULCHRASTEROL. THE FIRST EXAMPLE OF DOUBLE BIOALKYLATION OF THE STEROL SIDE CHAIN AT POSITION 26

Chemischer Informationsdienst ◽

10.1002/chin.198419315 ◽

1984 ◽

Vol 15 (19) ◽

Author(s):

B. V. CRIST ◽

X. LI ◽

P. R. BERGQUIST ◽

C. DJERASSI

Keyword(s):

Absolute Configuration ◽

Structure Elucidation ◽

Marine Invertebrates ◽

Side Chain ◽

Partial Synthesis ◽

Determination Of Absolute Configuration

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Minor and trace sterols in marine invertebrates 38: isolation, structure elucidation and partial synthesis of papakusterol, a new biosynthetically unusual marine sterol with a cyclopropyl-containing side chain

Tetrahedron Letters ◽

10.1016/s0040-4039(00)81384-2 ◽

1983 ◽

Vol 24 (3) ◽

pp. 277-280 ◽

Cited By ~ 23

Author(s):

Carlo Bonini ◽

Robin B. Kinnel ◽

Michael Li ◽

Paul J. Scheuer ◽

Carl Djerassai

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Side Chain ◽

Partial Synthesis

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Sterols of marine invertebrates. 44. Isolation, structure elucidation, partial synthesis, and determination of absolute configuration of pulchrasterol. The first example of double bioalkylation of the sterol side chain at position 26

The Journal of Organic Chemistry ◽

10.1021/jo00172a006 ◽

1983 ◽

Vol 48 (24) ◽

pp. 4472-4479 ◽

Cited By ~ 20

Author(s):

B. Vincent Crist ◽

Xian Li ◽

Patricia R. Bergquist ◽

Carl Djerassi

Keyword(s):

Absolute Configuration ◽

Structure Elucidation ◽

Marine Invertebrates ◽

Side Chain ◽

Partial Synthesis ◽

Determination Of Absolute Configuration

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Minor and trace sterols in marine invertebrates. 27. Isolation, structure elucidation, and partial synthesis of 25-methylxestosterol, a new sterol arising from quadruple biomethylation in the side chain

The Journal of Organic Chemistry ◽

10.1021/jo00332a021 ◽

1981 ◽

Vol 46 (19) ◽

pp. 3867-3870 ◽

Cited By ~ 18

Author(s):

Lian Niang Li ◽

Ulf Sjoestrand ◽

Carl Djerassi

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Side Chain ◽

Partial Synthesis

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ChemInform Abstract: MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. 27. ISOLATION, STRUCTURE ELUCIDATION, AND PARTIAL SYNTHESIS OF 25-METHYLXESTOSTEROL, A NEW STEROL ARISING FROM QUADRUPLE BIOMETHYLATION IN THE SIDE CHAIN

Chemischer Informationsdienst ◽

10.1002/chin.198206320 ◽

1982 ◽

Vol 13 (6) ◽

Author(s):

L. N. LI ◽

U. SJOESTRAND ◽

C. DJERASSI

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Side Chain ◽

Partial Synthesis

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ChemInform Abstract: MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. 19. ISOLATION, STRUCTURE ELUCIDATION, AND PARTIAL SYNTHESIS OF 24-METHYLENE-25-ETHYLCHOLESTEROL (MUTASTEROL): FIRST EXAMPLE OF STEROL SIDE-CHAIN BIOALKYLATION AT POSITION 25

Chemischer Informationsdienst ◽

10.1002/chin.198116316 ◽

1981 ◽

Vol 12 (16) ◽

Author(s):

L. N. LI ◽

U. SJOESTRAND ◽

C. DJERASSI

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Side Chain ◽

Partial Synthesis

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Minor and trace sterols in marine invertebrates 52. isolation, structure elucidation and partial synthesis of 24-propyl-24,28-methylenecholest-5-en-3β-ol

Tetrahedron Letters ◽

10.1016/s0040-4039(00)89285-0 ◽

1985 ◽

Vol 26 (34) ◽

pp. 4031-4034 ◽

Cited By ~ 7

Author(s):

T.B. Tam Ha ◽

Carl Djerassi

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Partial Synthesis

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Minor and trace sterols in marine invertebrates 30. Isolation, structure elucidation and partial synthesis of 26-methylstrongylosterol and 28-methylxestosterol - two marine sterols arising by a novel quadruple biomethylation sequence

Tetrahedron Letters ◽

10.1016/s0040-4039(01)83001-x ◽

1981 ◽

Vol 22 (46) ◽

pp. 4639-4642 ◽

Cited By ~ 16

Author(s):

Lian Niang Li ◽

Carl Djerassi

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Partial Synthesis

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ChemInform Abstract: MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. 8. ISOLATION, STRUCTURE ELUCIDATION, AND PARTIAL SYNTHESIS OF TWO NOVEL STEROLS - STELLIFERASTEROL AND ISOSTELLIFERASTEROL

Chemischer Informationsdienst ◽

10.1002/chin.197909323 ◽

1979 ◽

Vol 10 (9) ◽

Author(s):

N. THEOBALD ◽

R. J. WELLS ◽

C. DJERASSI

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Partial Synthesis

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Minor and trace sterols in marine invertebrates. 8. Isolation, structure elucidation, and partial synthesis of two novel sterols - stelliferasterol and isostelliferasterol

Journal of the American Chemical Society ◽

10.1021/ja00492a041 ◽

1978 ◽

Vol 100 (24) ◽

pp. 7677-7684 ◽

Cited By ~ 19

Author(s):

Norbert Theobald ◽

R. J. Wells ◽

Carl Djerassi

Keyword(s):

Structure Elucidation ◽

Marine Invertebrates ◽

Partial Synthesis

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